Question

Choose the sentence that does not include a usage error.
A) Because the student did not see any author information on the website, he incorrectly implied that he did not need to credit the source in his assignment.
B) Because the student did not see any author information on the website, he incorrectly inferred that he did not need to credit the source in his assignment.

Answer 1

B is correct

http://grammarist.com/usage/imply-infer/