（1）Who has invented the antiaging chocolate？
A.A chocolate company.
B.A worker in a chemical company.
C.A lab working with Cambridge University.
（2）When will the makers start selling the chocolate？
A.Next month.
B.Next year.
C.Next week.
（3）What does the laboratory used in the chocolate？
A.A pink food.
B.A pink color.
C.A special chemical.
（4）How soon can people see changes in their skin after eating the chocolate？
A.Within three weeks.
B.Within two weeks.
C.A month later.
（5）How many bars of chocolate are there in one box？
A.30.
B.21.
C.7.