Assertion A: English method of tunnelling requires more time as compared to other methods of tunnelling.
Reason R: In English method of tunnelling, the masons and excavators have to work alternately
Select your answer

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

B. Both A and R is true and 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