Actor Orson Welles described ______ in his famous trick.
A. where had aliens landed B. where aliens had landed
C. where will aliens land D. where aliens will land
Actor Orson Welles described ______ in his famous trick.
A. where had aliens landed B. where aliens had landed
C. where will aliens land D. where aliens will land
B
解析：该题考查的是宾语从句，要注意使用陈述句语序，主句时态是一般过去时，而 描述的事情应该在主句时间之前，所以使用过去完成时。