Question

Which would be an appropriate follow-up question to ask this student?

“Do you have a favorite recipe for fresh fruit smoothies?”
“What are the health problems caused by sugary drinks?”
“Don’t you think smoothies are a lot more expensive?”
“How do you know so much about nutrition?”

Answer 1

What are the health problems caused by sugary drinks?”

Answer 2

The appropriate follow-up question to ask this student, according to the text you added in the comment box, would be the second one: "What are the health problems caused by sugary drinks?"

Step-by-step explanation:

The other questions would also be accurate if the conversation continues, but, as a follow-up question to this student's comment, the second one would be the one because it is directly related to his statement and digs deeper into the subject he is talking about.