Assertion (A): Reflecting telescopes are preferred over refracting telescopes when very large apertures are required.
Reason (R): A large mirror can be supported from the rear surface whereas a large lens can be supported only at its rim.
a) Both A and R are true, but R is not the correct explanation of A.
b) A is true, but R is false.
c) Both A and R are true, and R is the correct explanation of A.
d) A is false, but R is true.