单项选择题
A．contacting the writer in person B．linking to other relevant articles C．reading the advertising brochures D．communicating with other readers
A．Doing some physical exercise． B．Taking a short nap in the afternoon． C．Rushing through some assignments． D．Playing a game of chess with a friend．
A．Those with fewer than 50 employees． B．Those with only two or three owners． C．Those with a loan of 99.3% in their capital． D．Those with an output value less than ￡4 million．