Many activists agree that the solution can be achieved
through education (Dale 130) and that the responsibility
lies not with schools but with parents.
What mistake did the author make in using an in-text citation?
O
A. Using parenthesis rather than quotation marks
O
B. Inserting the parenthetical citation in the wrong place
O
C. Including the last name of the source but not his first name
O
D. Not including the year of publication

I am sorry, but they all are poor. I have used numbered references for a very long time.

Explanation:

D, Government Sites

Explanation:

Government sites will always have correct information as they are run by the government. Wiki sites like Wikipedia allow users to change information on the page, personal blogs have no obligation to be correct, and may be biased, finally commercial sites may be biased or try to give the user incorrect information to interest them in their product.