Which statement provides a valid reason to convert integer or floating$-$point data to a different data type?

Question $49$ options:

a$)$

The float$()$ function only converts integers to floating$-$point data types.

b$)$

Coercion does not change the data type of the variable.

c$)$

C$++$ produces $0$ as the result of $1/2,$ even if the result is assigned to a float data type.

d$)$

The int$()$ function only converts floating$-$point numbers to integer data types.