Major suppliers are making great

Major suppliers are making great efforts to increase the competitiveness of their products to　expand market share.
A、enlarge
B、control
C、dominate
D、explore
【正确答案】：A
【题目解析】：expand扩大；enlarge扩大；control控制；dominate主导；explore探索；故选A。expand/enlarge market share 扩大市场份额