单选题 Which of the following statements can best describe the main theme of the passage?

A、 There is a great potential in the world telecom market.
B、 The WTO pact has boosted a rapid development of telecom all over the world.
C、 The WTO pact has opened up bigger telecom markets to competition.
D、 Governments have realized the importance of telecommunication.

【正确答案】 A

【答案解析】本文主要讲述的是WTO pact签订的影响：促进了世界范围内电信市场的发展，选项B正确。