Multi-choice problem: Continue writing the next sentence in this paragraph:

How to be an effective donation collector on city streets 
Practice at home. 
Before you begin approaching people to ask for donations, you should practice your pitch at home. Practicing can help you overcome any nervousness you may experience when approaching strangers, as well as help you to polish the finer points of your donation pitch.

Possible answers:
 a). Taking the time to practice beforehand can keep you busy while also meeting new people. You can practice by standing in the garage and looking across the street.;
 b). Practice in front of a mirror so you can see how you look as you speak. This will help you practice things like making eye contact and smiling.;
 c). In addition to practicing at home, you should also practice avoiding potentially dangerous areas of the area. Try being indoors during security hours, such as the evening or night before an event.;
 d). Use a real instrument so you can practice the pitch yourself. Talk to and maintain contact with influential politicians, figures, or community leaders.;
b).