【题目】The reporter asked Wang, the famous astronaut, ______ he had achieved success.
A.what
B.that
C.which
D.how

【答案】D
【解析】句意：记者问这位著名的宇航员Wang,他是怎样获得成功的。根据句意可知此处是how引导的宾语从句。故选D。