某集筑公司有三个独立的方案A、B、C,期初投资及年净收益见表2,其基准收益率为12%，现公司可用于投资的金额为300万元，则应选择的方案是（ ）表2组合方案投资、年净收益及净现值 (单位:万元)
A. 方案AB
B. 方案ABC
C. 方案AC
D. 方案C
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He asked ________ for the computer.
A. did I pay how much
B. I paid how much
C. how much did I pay
D. how much I paid
“Have you seen the film?” he asked me. →He asked me _______.
A.had I seen the film
B. have I seen the film
C. if I have seen the film
D. whether I had seen the film
“Please close the window,” he said to me.→He ______ me _____ the window.
A.said to; to close
B. told to; closing
C. asked ; to close
D. said to; please close
“I am a teacher,” Jack said. →He said _________.
A.that I am a teacher
B. I was a teacher
C. that he is a teacher
D.he was a teacher
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