30. Mandy: My husband is seeing a doctor today.Pauline: How come? I remember you said he was quite healthy and rarely went to a doctor.Mandy: _______ He’s been complaining of having headaches and noises in his ears.Pauline: You’re doing the right thing. Early diagnosis and treatment of disease are important.(A) The doctor found nothing wrong.(B) He’s feeling a bit under the weather.(C) My husband has been in good health.(D) Regular exercise is good for his health.