“He loves his sons, but his daughter is the apple of his eye.”Which one is the best translation? ( )
选项：

A:他爱他的儿子，但他的女儿是个苹果。
B:他爱他的儿子，但女儿才是他的掌上明珠。
C:他爱他的儿子，可他的女儿像他眼里的苹果。