human
Question: Welcome to the zoo Opening time:                                     Price: From Monday to Friday                             Adults:Y=20 8:30 a.m.--5:30 p.m.                              Childen:Y=10 On Saturday & Sunday 8:30 a.m.--6:00 p.m. Location:Xiaohe Street, ChangchunDistrict ,Binhai City . The zoo opens  _  a week.

Choices:
A) two days
B) five days
C) six days
D) seven days
gpt
The correct answer is 3: seven days.