Cement mortars richer than 1 : 3 are not used in masonry because(i) There is no gain in strength of masonry(ii) There is high shrinkage(iii) They are prone to segregation

• A. nly (ii) is correct
• B. i) and (ii) are correct
• C. ii) and (iii) are correct
• D. i), (ii) and (iii) are correct