Which comma rule does this student need to apply to this passage?

I really thought she loved me but I discovered her grave betrayal one afternoon. It was easy to figure out because she accidentally sent a text to me that was meant for him. I was confused by the text because it said, "Don't tell Mike." I felt insulted that she thought she could get away with this infidelity. At first I felt very angry but then I felt so hopeless and depressed.

AUse a comma to separate three or more items in series .
BUse a comma and a conjunction to separate two complete thoughts .
CUse a comma to set off a phase or clause at the beginning of a sentence
DUse a comma to separate a coordinate adjective.

The comma rule does this student need to apply to this passage. Use a comma and a conjunction to separate two complete thoughts. Thus, the option (b) is correct.

What is comma rule?

The term comma rule refers to the part of the punctuation. The commas are separate independent clause. The comma apply to sentences. Commas are help to clarify the sentence. There are different types of comma such as joining comma, gapping comma, listing comma, and bracketing commas.

Commas are used to join the split sentence and create an independent clause or conjunction. Separate independent clauses come in a variety of forms, including and, nor, so, still, for, but still, and or. The two independent clauses are separated by commas. As said earlier, the comma should only be used in conjunction.

Therefore, option (b) is correct.

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