7669. I have told him many times not to do that.

✅ The correct answer is option D.
Several : more than two but not many.

Unlimited : not limited or restricted in terms of number, quantity, or extent.

Endless : having or seeming to have no end or limit.

Numberless : too many to be counted; innumerable.

Many : a large number of.

Synonym of Many is Numberless