The correct answer would be themselves because it makes reference to the subject drivers which is in the plural (they). you need to pay attention to the subject in order to choose the appropriate option.
Himself would make reference to He, myself to I
Here’s an sentence that uses indicative mood:
We are eating dinner now.
I would go with D context clues
Answer:
Martin Luther King's speech was called "I have a dream".
Explanation:
it was related to the black and white racial times