Don't lose your ____,son.I'm sure you can do better next time.A.head B.heart C.hand D.mind

Don't lose your ____,son.I'm sure you can do better next time.
A.head B.heart C.hand D.mind

B
lose one's heart:失去信心

B，意为别灰心

选B，意思是别灰心，孩子，我相信你下次能做得更好。