—I can’t decide . —You mean the purple sweater or the blue one?A. how to go there B. who

问题补充：

—I can’t decide .

—You mean the purple sweater or the blue one?

A. how to go there

B. who to go with

C. where to visit

D. which to choose

答案：

A. how to go there

B. who to go with

C. where to visit

(答案→)D. which to choose

解析：考查疑问词加不定式的用法。“我不能决定选哪一个。”“你是说那件紫色的毛衣还是蓝色的吗？”A“怎样到达那里”；B“和谁一起去”；C“参观哪里”；D“选择哪一个”。根据句意可知，D项符合语境。故选D。