I couldnt afford to rent a house like this,buy it.A. no longerB. no more thanC. let alone

I couldn't afford to rent a house like this, buy it.
A. no longer
B. no more than
C. let alone
D. instead

A. no longerB. no more than(答案→)C. let aloneD. instead解析：27.C let alone。为固定短语“更不用说”、“不必考虑”。

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