Reference - Hot Toaster

Reference - Hot Toaster. Rebecca bought a toaster from Super Store and brought it home. A friend of hers, Greg, was at her house making toast. The toaster malfunctioned and shocked Greg resulting in a small burn to his hand requiring medical attention. At a garage sale, Rebecca also purchased a blender from a friend, Samantha. When she paid for the blender, Rebecca said that it would be great for making smoothies. Samantha said nothing and just smiled while taking Rebecca's money. Unfortunately, the blender was not powerful enough to make smoothies. Which of the following is true regarding whether Samantha made an express warranty to Rebecca that the blender would make smoothies?

A) Samantha made an express warranty by not speaking up regarding problems with blender.
B) Samantha made an express warranty by not speaking up regarding problems with the blender only if Rebecca can prove that Samantha knew about the problems.
C) Samantha made an express warranty by not speaking up regarding problems with the blender only if Rebecca cannot prove that Samantha knew about the problems.
D) Samantha made an express warranty by not speaking up regarding problems with the blender only if Samantha can prove that she did not know about the problems.
E) Samantha did not make an express warranty.