Evander is competing in a bodybuilding competition and wants to gain extra muscle. he is searching for information about products to him. which question should evander ask to determine whether the information is reliable? is the product cheap? is the source credible? does the information promise fast results? does the product claim to be a miracle drug?

The question he should ask is, "Is the source credible?"

Explanation:

The question already shows a hint. Evander is asking for an information that is  "reliable." A reliable product is something that can be trusted, is consistent and works for the purpose intended.

It is very important to know the credibility of a product's source, since there are so many products promising the same purpose in the market. Evander is looking for a product that will help him gain extra muscle, thus he should check the product's source credibility by looking for verifiable information on the item. For example, reliable supplements had been verified by proper authorities such as the "International Society of Sports Nutrition." This means it has already been tested and proven to work.

Even if the product is cheap, promises fast result or claims to be a miracle drug, it is still unsafe to use if it hasn't been verified by a credible source.

the first option is ur answer : )