问题补充：
--- Did you see a girl in yellow pass by just now?
--- No, sir. I a magazine.
A. read
B. am reading
C. would read
D. was reading
答案：
A. read
B. am reading
C. would read
(答案→)D. was reading
解析：整句理解:你刚才看见一个穿黄色衣服的女孩经过了吗?没有,先生。当时我正在看杂志。从问句可知是一般过去时态,所以用过去进行时态，选D.
