My husband and I ________ about money matters all the time, but now things are different．A.are quarrelingB.were quarrelingC.have been quarrelingD.had been quarreling
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B解析看到时间状语all the time，表示动作的持续进行，应该用进行时态。而后半句things are different now则表明争执只是过去的事情，形成鲜明的对比，那么就只能选过去进行时were quarreling．