Assertion: Alcohols are dehydrated to hydrocarbons in the presence of acidic zeolites.
Reason: Zeolites are pourous catalysts.
A. If both (A) and (R) are true and (R) is the correct explanation of (A).
B. If both (A) and (R) are true but (R) is not the correct explanation of (A).
C. If (A) is correct but (R) is incorrect.
D. If (A) and (R) are both incorrect.