The answer is all of the above
The author includes all of those answers through their writing
A is wrong you wouldn't say "is" you would say are.
B is wrong to because "was" is not the correct verb to use.
D is wrong because key, should be plural, keys
C is correct, because it has subject and verb agreement.
I don’t think there is a question attached
Personal incidents, if that is one of your choices.
Answer:
D
Explanation:
I think d because authors often use repetition to create a strong feeling and d explains that the author wants to create a strong feeling of reassurance and a strong feeling of winning and motivation.