1．—Mum，you should have taken me to the park this morning.
—I had planned to，but I couldn't afford the time.I________a lecture.
A．had given B．gave
C．was giving D．would give
C [考查动词时态。句意：——妈妈，今早你本应该带我去公园的。——我原本计划是这样的，但是我没能抽出时间，当时我在做演讲。根据语境可知，表示过去某一时间正在进行的动作，故用过去进行时。]
