The most appropriate conjunctions in the question are:
"But" and "Since".
They were all college students, But their coach thought they could win since they were the American Underdogs.
<h3>What are conjunctions?</h3>
Conjunctions are words that are used to join two or more sentences.
Other examples are:
See the link below for more about conjunctions:
brainly.com/question/708183
The stage in the writing process when you check your work to verify detail and a valid thesis statement is the: Revising stage. During the editing stage you check your essay for any type of grammar mistakes and faults. Hope that helps.
Answer:
I think A or B
Explanation:
but my true answer is letter A