【题目】Three officials ______ in the “Golden Rice” test on school children have been fired.
A.involvingB.involvedC.to involveD.having involved
在线课程【答案】B
【解析】
考查非谓语动词。句意：三名参与对学童进行黄金大米测试的官员已经被解雇。be involved in表示“参与”，此处去掉be作后置定语，故B项正确。
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