Consider the following statements.
Assertion (A): If ice collects in the freezer, the cooling in the refrigerator is affected adversely.
Reason (R): Ice is a poor conductor.
Select the correct answer:

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

Answer: Option A