HE WORKED HARD, SO HE COULD EARN MUCH MONEY. THAT IS, ………A. ALTHOUGH H...

42: - DE ON TOT NGHIEP 12
DE ON TOT NGHIEP 12

42: He worked hard, so he could earn much money. That is, ………

A. although he worked hard, he could earn much money.

B. he worked hard because he could earn much money.

C. he worked hard but he could earn much money.

D. if he hadn’t worked hard, he couldn’t have earned much money.