—What do you think of your neighbor?—He’s so that he likes to meet and talk to new people.

问题补充：

—What do you think of your neighbor?

—He’s so that he likes to meet and talk to new people.

A. serious

B. outgoing

C. quiet

D. smart

答案：

A. serious

(答案→)B. outgoing

C. quiet

D. smart

解析：serious严肃的，认真的；outgoing外出的，乐于助人的；quiet安静的；smart聪明的，巧妙的。句意：你认为你的邻居怎么样？——他是如此外向，因此他喜欢和新人见面说话。结合语境可知选B。