The bandit . . . . . . . . the traveller of his purse of gold and . . . . . . . . him grievously.

The correct answer is D. robbed, wounded.

The bandit robbed the traveller of his purse of gold, which means he took it by force or threat of force. He then wounded the traveller, which means he injured him physically.

Option A is incorrect because snatched does not mean to injure someone. It means to take something quickly and forcefully.

Option B is incorrect

because stole does not mean to injure someone. It means to take something without permission.

Option C is incorrect because demanded does not mean to injure someone. It means to ask for something forcefully or angrily.