Will 5 ÷ 0.4 be rational or irrational? Why?

A. Rational. An irrational number divded by an irrational number is always rational.

B. Rational. A rational number divded by a rational number is always rational.

C. Irrational. A rational number divded by a rational number is always irrational.

D. Irrational. An irrational number divded by a rational number is always irrational.