It’s hard for us to make a choice which means we have not decided .A. to take a stepB. t

问题补充：

It’s hard for us to make a choice, which means we have not decided .

A. to take a step

B. to take which step

C. which step to take

D. to take what

答案：

A. to take a step

B. to take which step

(答案→)C. which step to take

D. to take what

解析：本题考查非谓语动词。which step to take是疑问代词+不定式的用法，表示“采取哪一步”。句意：选择对我们来说很难，意味着我们还没有决定将采取哪一步。