The pen I I is on my desk, right under my nose.
A. think; lost
B. thought; had lost
C. think; had lost
D. thought; have lost
网友回答
A. think; lost
(答案→)B. thought; had lost
C. think; had lost
D. thought; have lost
解析：think发生在过去,用一般过去时；lose发生在think之前，用过去完成时。