－Hi Bruce. Here’s a letter for you.－Thanks. I wonder.A. who that letter was from B. who w

问题补充：

－Hi, Bruce. Here’s a letter for you.

－Thanks. I wonder.

A. who that letter was from

B. who was from that letter

C. who was that letter from

D. who from that letter was

答案：

(答案→)A. who that letter was from

B. who was from that letter

C. who was that letter from

D. who from that letter was

解析：根据题干，我们可知本句是一个宾语从句或间接引语。宾语从句或间接引语的语序应该用陈述句语序，所谓陈述句语序，就是谓语动词（包括be动词，助动词和情态动词）应放在主语之后。通过观察，只有A中的was from放在主语that letter之后。所以本题选A。