Jim and Kate from the U.S.A. They’re good friends.Aboth is B．are both C．both are

问题补充：

Jim and Kate from the U.S.A. They’re good friends.

A．both is B．are both C．both are

答案：

解析：此题考查副词both在句子中的位置，both表示两者都怎样，常用在系动词的后面和行为动词的前面。句意：吉姆和凯特都是来自美国。他们是好朋友。故选B。