—Why are most children under too much pressure?—Because their parents always compare them

问题补充：

—Why are most children under too much pressure?

—Because their parents always compare them ＿＿＿ others.

A. with B. by C. to

答案：

解析：固定短语。compare...with...意为“把……与……比较”。句意：因为他们的父母总是把他们与别人比较。