单选题 A: I thought you were Working until 6:30.
B: ______, but we finished our meeting at 5:30 and were let go.

【正确答案】 B

【答案解析】[解析] 甲方说“我想你要上班到六点半呢”。乙方说“本来我应该如此(I was supposed to)，但是五点半就散会了也就让我们走了”。A项的意思是“我试了”；C项的意思为“我希望如此”；D项意思为“十分乐意”，用于接受邀请。