阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项。
A
Urbana Park District Counselor in Training
Experience camp from the leader's point of view and bring your own energy and talents to the Urbana Park District's summer camp. Participate in and lead daily camp activities while helping counselors (辅导员) and children in Nature Day Camp.
You will volunteer 15～20 hours per week (3～4 days), attend weekly CIT meetings and participate in ongoing training throughout summer.
Join the excellent group of teens who gain experience and leadership skills that prepare them for future jobs. As a CIT, you make camp even more fun. Interested? Make a CIT application, available at any Park District office or online. Candidates (申请者) are selected through an application and interview process. Space is limited. Fees include camp Tshirt, all training, supervision (管理) and field trips. Payment is due on acceptance into the program. More importantly, precamp training is a must.
◆Dates：
Application Deadline: April 7, 2023
Camp Dates: Monday～Friday, 8：30 am～3：00 pm; June 5～August 4
◆Fees: $ 350
◆Parent Comment：
Both my children have been CITs and have loved the chance to be leaders. It has helped them be more confident about their abilities.
◆Ages Served：
Ages 13～15 (Completion of 7th grade required)
◆Location：
Anita Purves Nature Center, 1505 N. Broadway Brbana
For more information, call the Anita Purves Nature Center at 2173844062.
21．Who is the text intended for?
A．Trainers. B．Teenagers. C．Job hunters. D．Sports lovers.
22．What can we learn about the camp from the text?
A．It asks for the company of parents.
B．It offers children a chance to act as a leader.
C．It accepts candidates who have related experience.
D．It teaches participants how to find a proper job in the future.
23．What is required if you want to take part in the camp?
A．Signing up before June 5, 2023. B．Providing your information online.
C．Preparing your Tshirts in advance. D．Participating in precamp training.
