Lucy ________ guitar lessons every three weeks in the past three years, but now she is considering she'll make it every other week.
A．is having　B．had had
C．had　D．has been having
D

考查動(dòng)詞時(shí)態(tài)。句意：Lucy在過去的三年里每三周上一次吉他課，但是現(xiàn)在她正在考慮每兩周去上一次。根據(jù)句意可知應(yīng)用現(xiàn)在完成進(jìn)行時(shí)。現(xiàn)在完成進(jìn)行時(shí)表示動(dòng)作從過去持續(xù)到現(xiàn)在或離現(xiàn)在不遠(yuǎn)的時(shí)間，其動(dòng)作是否繼續(xù)下去，則由句意而定。
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