【单选题】

·You will hear a talk presented by a reporter about high-tech market in the worlD、·For each question 23—30 mark one letterA,

B、orC、for the correct answer.·After you have listened once, replay the recording. Large countries with large domestic markets have a distinct advantage in high-tech production because of ______.
A、growing economics of scale and ready access to a large number of potential users
B、having enough rich consumers
C、the consumer’s need becoming similar