Jack never stops talking. He is much than his brother.A. outgoing B. more outgoingC. outg

问题补充：

Jack never stops talking. He is much than his brother.

A. outgoing

B. more outgoing

C. outgoinger

D. outgoingest

答案：

A. outgoing

(答案→)B. more outgoing

C. outgoinger

D. outgoingest

解析：B 考查形容词的比较级。Outgoing是一个多音节形容词，需要借助于more和most构成比较级和最高级。故选B。