阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项。
A
Invent a piece of technology to help the planet
The yearly BT Young Pioneer Award (奖) is looking for the brightest technological youngsters in the UK to make a planetprotecting piece of technology. Enter to be in with a chance of winning ￡10，000 to develop your idea.
The BT Young Pioneer Award is part of the AbilityNet Tech4Good Awards, and this year BT is looking for new tech inventors to put their minds towards dealing with the problems of climate (气候) change.
If you need help, the “Count Us In” activity gives advice on ways you can take action to support the planet. You can find out how to help and what everyone's doing at countusin.org. The BT Young Pioneer Award is a key part of BT's Skills for Tomorrow programme, which provides free online resources (资源) to help people make the most of life — just visit bt.com/skillsfortomorrow to find out more.
What could you win?
BT will help the winner to develop their idea with up to ￡10，000 and the support of BT experts along the way.
How to enter
To give your entry (参赛作品), visit tech4goodawards.com, where you will be asked questions about the problem your project solves, how you plan to develop it and why you think you will win this year's BT Young Pioneer Award. The BT Young Pioneer Award is open to anyone based in the UK between the ages of nine and 18. Entry is free, and you can enter as an individual (个人) or as part of a group of up to five people. The closing date for entries is 9 May 2021.
21．What do we know about the BT Young Pioneer Award?
A．It is held every three months.
B．It will offer the winner at least ￡10，000.
C．It includes the AbilityNet Tech4Good Awards.
D．It encourages young people to protect the Earth.
22．How can a competitor get free online resources?
A．By visiting bt.com/skillsfortomorrow.
B．By sending an email to the organiser.
C．By making a call to BT experts.
D．By joining in “Count Us In”．
23．If Steve wants to join in the competition, he should ________．
A．be in a group of over five people
B．sign up before 9 May 2021
C．be older than 18 years old
D．pay for the entry
