Answer:
c. an internal information search
Explanation:
She is most likely to involve in an internal information search to purchase toothpaste as well as mouthwash. Basically in internal information search, a consumer is given choice which is further understandable. Â And it is also connected with consumer's thinking power which is also known as the product's remembrance. So according to the statements which are given option (c) {which is "an internal information search"} is the correct option.