For describing teaching as a profession, which of the following statements are most appropriate?a) Long or short duration of training has effect on making teaching skill repertoire representativeb) A well defined performance standard facilitates professional acquisitionc) Teaching means an activity aimed at influencing othersd) An organised body of knowledge brings sophistication in a professione) Teaching and learning are like selling-buying transactionsChoose the most appropriate answer from the options given below:

• A. a, d and e only
• B. a, b and c only
• C. d, c and e only
• D. a, b and d only