Correct Punctuation Placement in a Sentence

What is the correct punctuation placement for the sentence?

Whenever he hangs up on me during a call I get so frustrated that I want to scream.

a. Whenever, he hangs up on me during a call I get so frustrated that I want to scream.

c. Whenever he hangs up on me, during a call, I get so frustrated that I want to scream.

b. Whenever he hangs up on me during a call, I get so frustrated that I want to scream.

d. Whenever he hangs up on me during a call, I get so frustrated, that I want to scream.

Answer

The answer to your question would be that the option which correctly places the punctuation for correct phrasing is the following one: b. Whenever he hangs up on me during a call, I get so frustrated that I want to scream.

Explanation: The sentence contains an introductory clause. Introductory clauses are dependent clauses that provide background information or set the stage for the main part of the sentence, the independent clause. This is why they are separated from the main sentence with a comma.