Mark the letter A, B, C, or D on your answer sheet to indicate the correct arrangement of the sentence to make a meaningful paragraph/letter in each of the following questions.

a. Oh, please. I want to change the speed on this treadmill, but I don't know how.
b. Oh, it's working. Thank you very much.
c. Good morning. Can I help you with that?
d. You can just press this button. Here, let me show you.
e. Great! Have a good workout.