Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
Several studies have confirmed that appropriate sun exposure actually helps prevent skin cancer.
A.It has been confirmed that several studies actually help prevent skin cancer with appropriate sun exposure.
B.Appropriate sun exposure has been affirmed to prevent skin cancer and confirmed several studies.
C.Several studies have confirmed that skin cancer can be actually prevented with appropriate sun exposure.
D.Several studies with appropriate sun exposure have confirmed to help prevent skin cancer.