单选题
(Having studied) your report carefully, (I am convinced) that (neither) of your solutions (are) correct.
A、
Having studied
B、
I am convinced
C、
neither
D、
are
【正确答案】
D
【答案解析】
[分析] neither表示“没有一个”，作主语时谓语用单数形式。改“are”为“is”。
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