Answer:
The correct answer is "sich".
So the sentence will be "Er hat sich geschnitten".
(Meaning in English: "He has cut himself".)
Explanation:
"Sich" is a reflective verb, and is the only answer that would fit.
Because "er" just means "he", "du" means "you", and "wir" means "we"
The relationship among people are something that must be maintained to say healthy and strong so the right answer is B. good luck