Look closely at the following sentences to determine which correctly use commas to set off the modifiers. identify the incorrectly punctuated sentence.
a.
test results may show that ultimately, the hockey player did not use steroids.
b.
i didn’t pass my driver’s exam on the first try either.
c.
furthermore, donations to the charity for which she volunteers have increased dramatically.
d.
wouldn’t you agree that, after all, we are all in the same boat?

The ones that are correctly punctuated are letters B, C, and D.

Letter A, on the other hand, is incorrectly punctuated.

Explanation:

"Ultimately" is an adverb, usually synonym to "finally", "eventually" and so on. When it shows up in the middle of a sentence, it should come betweem commas. Thus, the correct punctuation for the sentence in letter a would be:

- Test results mar show that, ultimately, the hockey player did not use steroids.

what are the phrases to choose from?