Answer:
C
Step-by-step explanation:
This question is testing consistency of plural words.
Since people is plural, go best describes people, so eliminate B.
My father _____ indicates a singular noun
- Do is used for more than one thing it's describing
Example: People do litter.
- Does is used for one thing.
Example: Charles does not do the dishes.
Since father is singular, we use does, so eliminate A.
The correct answer is C