fall over the moon意思是?she is vegetarian .she will ____if you mention eating meat in front of her .A.fall over the moon B.be down in the dumpsC.get hot under the collar D.laugh her head off

fall over the moon意思是?
she is vegetarian .she will ____if you mention eating meat in front of her .
A.fall over the moon B.be down in the dumps
C.get hot under the collar D.laugh her head off