题目

Smiling girls have their luck. It fits Huang Ruijia well. The 15-year-old student comes from Chengdu Experimental Foreign Language School. On March 22, 2014，she won third place（junior category）at the 12th China Daily “21st Century Lenovo Cup” National High School English Speaking Competition, which was held in Beijing. During the competition, many contestants（选手）kept a serious face. But Huang was smiling all the time. Her good manners also won her the Best Style prize at the contest. “Smiling shows confidence, which is an important quality for speakers,” said Meng -- Congratulations to you, boys! --Thanks. We can't get the first place _________ our classmates' help. A. with                   B. without                 C. towards                D. across