Which of the following statements is closest in the meaning that expressed in the passage?
A.Because of Wal-Mart's plan of buying Trust-Mart, millions more customers is shopping at Wal-Mart stores.
B.Wal-Mart will continue to buy other retail stores to expand its market.
C.Wall Street Journal firstly released Wal-Mart's plan of buying Trust-Mart.
D.Since China opened its door to competition, foreign and domestic retailers have been competing to dominate the market.