In the traditional culture of China, the ideas and idioms of expressing contradiction analysis are as follows.

Listening to both sides is clear, and the partiality is all dark, which means that you can understand things or reasons by listening to opinions from all sides; If you listen to it, you won't know the truth.

Listening and believing are contradictory; The results of analytical methods are bright and dark, and they are opposite.

Analysis of other options:

A Shang and Qu Tong: Not an idiom. Shang, advocate; Harmony and coordination; Go, remove; Same, same. Advocate similarity, remove similarity. Not contradictory;

Alternative one: not an idiom. It means moderation and impartiality. Not contradictory;

D draw inferences from others and understand the crux: idioms are in front. The general meaning is to compare many things from one thing and analyze the problem carefully. Not contradictory.