问题

Why could the man become one of the biggest food retailers in the US? 查看材料
A:Because he had many friends to help him.
B:Because he was smart and worked very harD.
C:Because he had his own fleet of delivery vehicles.
D:Because he wanted to show Microsoft he was living.
B:Because he was smart and worked very harD.
C:Because he had his own fleet of delivery vehicles.
D:Because he wanted to show Microsoft he was living.
正确答案是: