Which of the following sentences has an error in parallel structure?

a. when i wake up, i eat food, taking a shower, and go to class.

b. if you garden, you should practice pruning, watering, and potting.

c. to learn anything, a student must first listen, question, and practice.

d. understanding literature requires patience, creativity, and interest.

A. When I wake up, I eat food, taking a shower, and go to class.

yes you could be a life guard if that the question.

b. cronkite, a trusted television personality, declared that the war was unwinnable and told the american people that the government had better find a way out

even though it went against everything the news anchors typically stood for, cronkite voiced an opinion and took a stance, telling the us that there was no way they were going to win, the war was going to end in a stalemate.