7.

Answer and Explanation

Your Answer is

Correct Answer is B

Explanation

"The former sentence "Weiping said that in order to create a low pitch, he made a deep hole", and the latter sentence "a high pitch requires a shallow hole" are contrastive, so Conversely is correct.

Item A: nonetheless "even so" means a concession relationship.

Item C: "otherwise" does not match the logic between sentences.

Item D: even so "even so" It is also a concession relationship."