Two statements are given in the question below as Assertion (A) and Reason (R).  Read the statements and choose the appropriate option.

Assertion (A): Igneous rocks are also referred to as primary rocks.
Reason(R): These rocks are formed by solidification of lava and magma.

(1 Point)

A. Both A and R are true, and R is the correct explanation of A

B. Both A and R are true, but R is not the correct explanation of A

C. A is true but R is false

D. A is false but R is true