14.________ hungry I am，I never seem to be able to finish off this loaf of bread.
A．Whatever B．Whenever
C．Wherever D．However
解析：选D。“whatever”意为“无论什么”，修饰名词；“whenever”为“无论何时”，作时间状语；“wherever”意为“无论何地”，作地点状语；“however”意为“无论多么”，修饰形容词、副词。在此句中“however”修饰“hungry”。
