【单选题】

{{I}}Questions 17—20 are based on a conversation betweenDr. Frances and Li Ming about Li Ming’ s planned visit toCambridge. You now have 20 second to read Questions 17—20.{{/I}} What isDr. Frances

A、She is a teacher ofEnglish inCambridge.
B．She is a specialist in computer science.
C．She is a consultant to a Scottish company.
D．She is aBritish tourist toChin
A、