[单选题]The Chamber of Commerce Business Skills Portfolio gives you (21)______quality,value for money training opportunities. (22)______days, employers understand that employees who are given training and development opportunities are more motivated (23)______contribute more to the company. (24)______ courses cover a wide range of subjects and cost as little as $170. They are designed specifically to develop employees' skills, and at the same time they (25)______ business increase efficiency and profitability. All of our courses are led by professional trainers (26)______extensive expertise and understanding of business needsWe offer:Seminars which run for a full or half day, and give you the skills you need(27)______and effectively;Semester courses where you (28)______ lectures or seminars once a week over a three-month period;E-learning which gives all the flexibility a busy(29) ______needs;The qualifications you get will depend on the type of training. You(30)______ find more information under each course title.请回答第（29）空 A persons B people C person