The correct option is (A) generally outdistancing the rate of inflation
In the 1980’s, the median price of a house more than doubled, generally outdistancing the rate of inflation.
Grammatical construction is a matching of form and meaning in construction grammar, regardless of the complexity of its formal or semantic structure. Therefore, it is possible to think of words and word classes as examples of constructs.
The given sentence is correct as is: it has sound sentence construction with no grammatical errors ['generally outdistancing is a grammatically correct construction]. Thus A is the best answer.
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