Keith,a 9th Grade Student,wants to Find Out If a Pete

Multiple Choice

Keith,a 9th grade student,wants to find out if a Pete Clifford,an author of an article on inflation,is an expert in Applied Economics or not.Which of the following can he do to find this information?

A) He can search the Internet for other articles written by Pete on this topic.
B) He can search Facebook to find out if they have any mutual friends.
C) He can post a question on different social media platforms.
D) He can search LinkedIn to learn if Pete is an expert in that field.