I was so struck by this comment that from then on, I started to offer all the participants those seven sodas, and I asked them, "How many choices are these?"
对这句话我真感到惊讶，于是在接下来对象中， 我开始为访谈者提供 这七种汽水。 然后我问他们：“这里有多少种选择呢？”