问题
选择题
. The man is said to have worked as a spy in the s, when he ____ information for the government.
A．was gathered
B．gathered
C．had gathered
D．has gathered
答案
答案：B
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. The man is said to have worked as a spy in the s, when he ____ information for the government.
A．was gathered
B．gathered
C．had gathered
D．has gathered
答案：B