问题
选择题
Losing weight is no easy task. A lot of people who lost weight gain it back over time and end up back _______ they started.
A．where
B．though
C．since
D．after
答案
答案：A
考查地点状语从句。减肥不是一件容易的事，许多人减肥一段时间后又回到了他们开始的地方。