1. Consumer confidence levels, which many economists consider an early indication of the economy’s direction, sagged as the stock market tumbled, but not dramatically enough for giving a clear picture of new spending patterns.

(A) tumbled, but not dramatically enough for giving

(B) tumbled, but not dramatically enough to give

(C) tumbled, and not so dramatically as to have given

(D) has tumbled, and not dramatically enough to give（B）

(E) has tumbled, but not so dramatically as to give

B中but not dramatically enough to give做什么成分啊？

状语