—Have you seen Mr. Smith?—Yes. Look he with a parent in the office.A. talksB. talkedC. is

问题补充：

—Have you seen Mr. Smith?

—Yes. Look, he with a parent in the office.

A. talks

B. talked

C. is talking

D. has talked

答案：

A. talks

B. talked

(答案→)C. is talking

D. has talked

解析：句意：你看见史密斯先生了吗？——，是的，看，他正在办公室和一个家长谈话。结合语境可知下文描述的是现在正在进行的动作，故用现在进行时态，选Ｃ。