In which of the positions marked [1], [2], [3] and [4] does the following sentence best belong? "The appointments should take no longer than 30 minutes."

Đáp án đúng là: C
Giải thích
“The medical check-ups will include a blood test, urine test, eye test, height and weight measurements, hearing test, and chest X-rays.”
“Please make an appointment with a local clinic.”