Assertion (A): Negative values of incremental operator in DO loop are allowed in Fortran 77 but not in earlier versions of Fortran.
Reason (R): Fortran 77 has better array facilities than earlier versions of Fortran.

A. Both A and R are correct and R is correct explanation of A

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

C. A is correct R is wrong

D. A is wrong R is correct

Answer: Option B