Which answer correctly evaluates the validity of the following quotation? The DNA study's results are flawed because I know for a fact that the test subjects were not isolated from the control group subjects. -Carl Junger, security manager,
Carlton Laboratories
A)Invalid: Author is not qualified on the topic.
B)Invalid: Claim is too argumentative.
C)Valid: Author clearly witnessed event.
D)Valid: Statement is clear and supported.