选择:What about _______?请详细作出选择,具体一些,

问题描述:

选择:What about _______?请详细作出选择,具体一些,
A.a piece of cake
B.have a piece of cake
C.to have a piece of cake
D.having been a piece of cake

what about+名词(名词词组、动词的ing形式)
所以A
D 有been,是完成时,所以不妥.