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.

Asap i put 30 pts idk how much is shows. submit the following: · graphic organizer: evidence for a poem's theme · graphic organizer: informal essay for an outline about theme · first draft 1. write an introduction with a clear thesis about the theme of the poem. 2. analyze the theme of the poem using paraphrases, examples and quotations as evidence. 3. write a conclusion that summarizes the theme. 4. use appropriate transitions. 5. maintain a third person point of view.