Tom sat under a tree and seeing his friend, up in no time.
A. to stand
B. standing
C. stood
D. would stand
网友回答
A. to stand
B. standing
(答案→)C. stood
D. would stand
解析：考察句子结构。本句中的and连接的是两个并列结构。其中的sat under a tree与stood up in no time是并列结构。不要受seeing his friends的影响。句意：Tom坐在一棵大树下面，看见了他的朋友，他立刻站了起来。故C正确。