As he never raises a finger to help me with the dinner, I       the thanksgiving meal from this afternoon till now.

A．have been preparingB．prepared
C．had been preparingD．prepare

A

解析試題分析：考查時(shí)態(tài)：句意：因?yàn)樗麖牟粍?dòng)手幫我做飯，從今天下午到現(xiàn)在我一直在準(zhǔn)備感恩節(jié)的食物。時(shí)間是from this afternoon till now.可知準(zhǔn)備食物這個(gè)動(dòng)作是從過(guò)去一直到現(xiàn)在，用現(xiàn)在完成進(jìn)行時(shí)，選A。
考點(diǎn)：考查時(shí)態(tài)

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