The correct answer is the last option.
To credit a source means to ACKNOWLEDGE WHERE YOU FOUND A SOURCE. In order to avoid plagiarism, the writer has to cite the sources where he found information, being the most common citation formats APA or MLA. The citation style to use will depend on the topic to discuss in the paper.
A. a statement of purpose
your stating your belifes supported by evidence
Answer:
1: A
( i couldn't see the answers for the rest but do what you think is best, its opinionated. pick which statement you like for each categorize that matches the story then apply it)
Explanation: