Multi-choice problem: Continue writing the next sentence in this paragraph:

He takes his toothbrush in his hand and and then waits for an adult to put toothpaste on it. then he

Options:
(a). puts toothpaste on the plastic toothbrush and makes small faces..
(b). puts a tongue depressor on it and rubs it on his teeth..
(c). begins brushing his teeth by himself..
(d). puts on long pants, picks up his shirt and a cowboy hat on to put on while holding the bowl of white paint..
(c).