单项选择题
| Questions 27—30 are based on a report about
procrastinators: students who put off studying. You now have 20 seconds to read
Questions 27—30. |
Procrastinators have many problems, except that ______.
A．they get more cold and flu symptoms.
B．they sleep more.
C．they smoke and drink more.
D．they have more digestive problems.