The word “underlay” in paragraph 3 is closest in meaning to （）.
A.was the consequence of B.was the cause of C.was the key to D.was the basis of正确答案D
The word “underlay” in paragraph 3 is closest in meaning to （）.
A.was the consequence of B.was the cause of C.was the key to D.was the basis of正确答案D
