The correct answer is B. himself.
The pronoun “himself” is used to refer to a male person. In this case, the subject of the sentence is “he”, which is a male pronoun. Therefore, the correct pronoun to use is “himself”.
The other options are incorrect because they do not agree with the gender of the subject. Option A, “herself”, is used to refer to a female person. Option C, “themselves”, is used to refer to a plural subject. Option D, “yourself”, is used to refer to the person speaking or being spoken to.
Here are some examples of how to use the pronoun “himself”:
- He rewarded himself with an ice cream.
- The man saw himself in the mirror.
- The boy hurt himself when he fell off his bike.
I hope this helps!