Which of these is an example of ethos?

a. what kind of pet owner would you be if you didn't buy your dog a fetchem-catchem frisbee?

b. try becky's biscuits, the trusted name in baked goods for more than 50 years.

c. eating broccoli and other dark green vegetables cuts the risk of cancer by up to 30 percent. as you can see, eating a healthy diet is very beneficial.

d. if your brake job is not done correctly, we will repair it for free. after all, you don't get to be the number one mechanic in the country by not guaranteeing your work.

e. don't be the only one on the block who doesn't own a patio-tastic pool. what will you do while all the others are having fun?