In modern society alternative energies traditional ones are playing an important role in

问题补充：

In modern society, alternative energies traditional ones are playing an important role in our daily life. That’s just because scientists have made great breakthroughs the development of science and technology.

A. for, during

B. of, during

C. by, in

D. to, in

答案：

A. for, during

B. of, during

C. by, in

(答案→)D. to, in

解析：for为了，of属于；by通过；to比较；传统能源与新能源相比较，故第一空用to。在发展的过程中用in，故选D。