（教材P15-8）Which one of the following statement is true in relation to a sole trader?

A、Asoletradercannothaveanyemployees;
B、Asoletraderisabletointroduceorwithdrawcapitalfromthebusinessatanytime;
C、Asoletraderhaslimitedliabilityforthedebtsofthebusiness;
D、Asoletradercanoperateabusinessfromonlyonelocation