It’s said that Armstrong sent a message to Mission Control said that two huge, strange objects landed near them and were watching them.
A. who
B. which
C. whom
D. whose
网友回答
A. who
(答案→)B. which
C. whom
D. whose
解析：本句中先行词a message为下文定语从句的逻辑主语，指物，故引导词用which，选B。