次の英文の空欄�@〜�Aに入れる最も適当な語を，以下の語群より1つ選びなさい。

During my first year in Japan I was sick often. �@ was probably because of the stress of living in a foreign country.
When I went to see a doctor, I was in for a few surprises.
The receptionist asked me one or two questions about why I was there.
One of the questions was whether I had a fever.
When I said I wasn’t sure, she passed me a thermometer.
I was a little surprised.
Taking one’s temperature is not really a private activity but I’d never taken mine in a waiting room.
In America that would happen when the patient was in a private room or curtained area.
But I understood �A I was supposed to do. Or I thought I understood.

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