The teacher made the naughty boy . . . . . . . . A. Tiptoed B. Tipoeing C. Tiptoe D. To tiptoes

Tiptoed
Tipoeing
Tiptoe
To tiptoes

The correct answer is D. To tiptoes.

To tiptoe is to walk on the tips of one’s toes, especially in order to move quietly or avoid being seen.

A. Tiptoed is the past tense and past participle of the verb tiptoe.
B. Tipoeing is not a word.
C. Tiptoe is a noun that refers to the act of walking on the tips of one’s toes.