26. What is the main purpose of this passage?
(A) To inform that spring allergies and COVID-19 have similar symptoms.
(B) To discuss the power of television commercials in promoting drugs.
(C) To explain why every allergy medication has its side effects.
(D) To introduce an alternative drug for spring allergies.
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統計: A(2), B(4), C(8), D(44), E(0) #3056751
統計: A(2), B(4), C(8), D(44), E(0) #3056751