For what ?? whats the text and story
A would be the answer, Tomas was frustrated during class he forgot his book report. I believe there should be a comma in between class and he
Answer:
The answer is 'D' because it contain the word 'but'
A coordinating conjunction is a sentence that uses words such as 'but' and 'and'
Sorry, can you give a little more context. I believe you forgot to add an attachment file or some sort.