Need answers fast
which sentence uses comma(s) correctly?

a)
golf is a game that requires patience skill, and perseverance.

b)
all students in ap classes, are given weighted credit on their gpa.

c)
while i was resting, my phone rang.

d)
the grocery store on the corner, always has great sales, on ice cream in the summer.

a because they still enjoy the fire.

explanation:

i think that the answer is a

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hello, i am papaguy your answer is ready.

answer: the pronoun that is used in the given subject above is the word "himself" which refers to the noun or antecedent "maestro". the pronoun is an example of an intensive pronoun. intensive pronouns are used to add emphasis to the subject of the sentence and it uses reflexive pronouns such as myself, yourself, himself, herself, themselves and ourselves. 

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your pal papaguy