In recent years the consumption of aspirin _______ enormously in America.
A was increasing    B. has increased    C. had increased    D. will be increasing
B

試題分析：句意：在最近幾年，阿司匹林的消費在美國急劇的增長。表示自過去某一時刻到說話時這段時間中的經(jīng)歷，用現(xiàn)在完成時，選B。
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