单选题
Varco Telecom showed a sizable ______ in its second-quarter earnings after the introduction of its newly developed mobile phone, the V-phone, just a month ago. This innovative phone has performed very well, selling over 1 million units ______ its first month.
Bob Fisher, president of Varco Telecom, told reporters at the press conference that he was optimistic about the Varco"s success and hopeful that it will boost Varco"s image overall. Mr. Fisher stated that, in the same period, sales of Varco"s several other mobile phone models ______ as well.
Varco Telecom now accounts for 25 percent of the mobile phone market worldwide. Mr. Fisher expects Varco to claim an even higher market share by the end of the year.