—Hi Tonyis my friend Jack.—Hello Jack! Nice to meet you.A. HeB. ThatC. ThisD. It

问题补充：

—Hi, Tony. is my friend, Jack.

—Hello, Jack! Nice to meet you.

A. He

B. That

C. This

D. It

答案：

A. He

B. That

(答案→)C. This

D. It

解析：句意：嗨，托尼，这是我的朋友，杰克。杰克，见到你真高兴。介绍某人时常说This is ...。故选C。