—Did you see a boy in blue pass by just now?—No sir. I a magazine. A. readB. was reading

问题补充：

—Did you see a boy in blue pass by just now?

—No, sir. I a magazine.

A. read

B. was reading

C. am reading

D. will read

答案：

A. read

(答案→)B. was reading

C. am reading

D. will read

解析：句意：刚才你看见一个穿蓝衣服的男孩走过吗？——没有，先生。我（刚才）正在读报纸。结合语境可知下文描述的是刚才正在进行的动作，故用过去进行时态，选Ｂ。