---How much is the petrolper liter today?
---Oh, 6.00 yuan. It ______ sharply since last month.
A．is raisedB．has arisen C．has risenD．is aroused
C
考查詞義即時態(tài)。根據(jù)時間狀語since last month，句子要用現(xiàn)在完成時態(tài)，排除A，D; rise上升，上漲；arise產(chǎn)生，出現(xiàn)。句子應(yīng)是指價格上漲很快，所以選C。
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