Software reliability is described with respect to
(A) Execution Time
(B) Calendar Time
(C) Clock Time
Choose the correct answer from the options given below:

1. A(A) (A) and (B) only
2. B(B) (B) and (C) only
3. C(C) (A), (B) and (C)
4. D(D) (A) and (C) only

Pick an option to check yourself, or open the answer below.