Which of the following statements are correct for walkthroughs?
(i) Often led by the author.
(ii) Documented and defined results.
(iii) All participants have defined roles.
(iv) Used to aid learning.
(v) Main purpose is to find defects.
A. (i) and (v) are correct.
B. (ii) and (iii) are correct.
C. (i) and (iv) are correct.
D. (iii) and (iv) are correct.