— My son, who is now studying at a university, uses more than 3,000 yuan a month.

— Well, tell him to be economical(节约). After all, _______.

A．the morning sun never lasts a day

B．money doesn’t grow on trees

C．light come, light go

D．penny wise, pound foolish

学前儿童全面发展就是要求儿童在体、智、德、美诸方面齐头并进、平均发展。