28. What change in the following sentence should be made?
(3) Moreover, none mentioned the startling fact that in the four years after Joe's advent, every survey showed teenage smoking declined -- down 19% among high school students from 1988 to 1992, twice as fast as the drop among adults.
(A) no change
(B) change "Moreover" to "Yet"
(C) change "none" to "never"
(D) change "every survey showed teenage smoking declined" to "every survey has shows teenage smoking declined"
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統計: 尚無統計資料
統計: 尚無統計資料