1-C. W: You mean answer sheets? We have 48 students.W: You mean answer sheets? We have 48 students.
W:あなたは、解答用紙のことを言ってます? 私たちは、48人の生徒を持っています。
2-C. whereas the number of trips to meet friends at places other than their homes remained almost constant, at 48 in 2002 and 46 in 2010.whereas the number of trips to meet friends at places other than their homes remained almost constant, at 48 in 2002 and 46 in 2010.