Several hours later, with the help of the police, the students managed to escape from the dangerous

situation, ______.

A. hungry and frightened              

B. hungrily and frightening

C. hungry and frightening            

D. hungrily and frightened

有效的销售还应注意以下几点（）。

A.每次最好只推介一种商品或业务

B.要研究顾客的性格类型、新老顾客，判断他需要什么

C.要学会回答顾客对便利店商品问题的疑问

D.熟练掌握每种商品知识，结合商品特点去问话