____ the main idea of the text, and you will be able to answer the question.
A．GraspB．To graspC．GraspingD．Grasped
A
考查動詞。本題考查祈使句 + and + 陳述句，故用動詞原形，句意：抓住文章大意，你就能夠回答問題。選A。
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