Which of the Following Could Be a Reason That a Consumer

Which of the following could be a reason that a consumer has trust with an online vendor?

A) The consumer believes that the vendor offers the best price for the merchandise he/she wants to purchase;
B) The consumer believes that the vendor has the largest variety of the merchandise he/she wants to purchase;
C) The consumer believes that the vendor has nothing to gain by cheating;
D) The consumer likes the fancy design of the transaction interface
E) The consumer finally found an outdated part for his/her washer that he/she has been searched for a long time.