[单选题]

Iff1(t)←→F1(jω),f2(t)←→F2(jω),Then()

A .f1(t)*f2(t)←→F1(jω)F2(jω)

B .f1(t)+f2(t)←→F1(jω)F2(jω)

C .f1(t)f2(t)←→F1(jω)F2(jω)

D .f1(t)/f2(t)←→F1(jω)/F2(jω)

参考答案与解析: