Which of the following statements is correct?

Which of the following statements is correct?

(i) A term may be implied into a contract by statute.

(ii) A term may be implied into a contract on the ground that it is a trade custom.

(iii) A term may be implied into a contract by a court in order to give the agreement "business efficacy".
A . (i) only
B . (i) and (ii) only
C . (iii) only
D . (i), (ii) and (iii)

Answer: D