Remove any sentences that are off topic or unimportant
B (i’m just copying someone’s answer cause i only have 1 more photo left to take)
The selection that contains a fragment is B.
Every other sentence contains two distinct clauses put together by the use of a relative pronoun (which in A and C) or a conjunction (so in phrase D). In B, the two clauses "she doesn't give herself enough credit" and "that's too bad" are not linked syntactically and are simply juxtaposed.
Although not grammatically "correct", the use of a fragmented syntax a frequent trait of oral speech.
The purpose of an introductory paragraph is to give the reader an idea of what is going to be talked about in the essay. As for the conclusion paragraph, it’s supposed to sum up all the ideas presented in the essay.
An introduction would contain for example, a hook to grab the reader’s attention, whereas in a conclusion, you could start it off with “In conclusion,” and just sum up everything
