题目

D Having too much confidence is not good. And now, a new study has proved this by finding that overconfident teenage students can stunt crucial（决定性的）reading skills.     The study shows a clear connection between overconfident students and low reading comprehension. “While some self-confidence is helpful, overconfident 15-year-olds are often below-average (平均水平) readers in all 34 countries we studied, ” says Ming Ming Chiu, the lead author of the study.     “In contrast, under-confident 15-year-olds are more likely to be above-average readers in all 34 countri 14. China has a lot of coal and oil, and it is rich in other rare minerals ______. A. as well                 B. also                   C. either                  D. Neither