Looking out of the window of my room, a tall tree in the yard.
A. there was
B. there were
C. I saw
D. there stood
网友回答
A. there was
B. there were
(答案→)C. I saw
D. there stood
解析：这题考查句子结构，这句话用Looking out of the window of my room做状语，说明Looking out of the window of my room的逻辑主语和句子的主语是一致的，也就是人，选C。