Sam指着Daming的猫问What's this?，Daming应该回答：（ ）
A：It's a cap.
B：It's a cat.
下面成轴对称的两个数字是（ ）
A single-parent child should have the right to enjoy normal parental love from both just as his other peers, which some psychologists see as _____to their emotional well-being.
