text-A
选项：

A:one thing on a list of things to buy, do, talk about, etc
B:unable to pay attention to sb./sth. because you are worriedor thinking about sth. else
C:being fat in an unhealthy way
D:a unit for measuring how much energy food will produce
E:a person who studies or writes about economics
F:too anxious and tired to be able to relax