What Advantages Do Humans Have Through Their Ability to Exploit

What advantages do humans have through their ability to exploit other species?

A) increased access to food and to chemicals for treating disorders or controlling pests
B) increased access to food and labour, to materials for constructing things, and to chemicals for treating disorders or controlling pests
C) decreased access to food and labour, to materials for constructing things, and to chemicals for treating disorders or controlling pests
D) increased access to food and labour and to chemicals for treating disorders or controlling pests