—I did badly in my English exam. — _______.
A:Congratulations.
B:That's great.
C:I'm sorry to hear that.
D:Well done.
You should tell _____ about it if _____ doesn't know it.
我国有一句古话:“儿不嫌母丑,狗不嫌家贫。”下列对这句话理解不正确的是( )