1. (2019·荆门) 听对话，回答小题。

This blue shirt looks perfect on you, Dr. Lee.<br />Thanks.<br />M.M., but size 41 is a little bigger.<br />Okay, try on this one, please.<br />Size 40.<br />This blue shirt looks perfect on you, Dr. Lee.<br />This blue shirt looks perfect on you, Dr. Lee.<br />Thanks.<br />M.M., but size 41 is a little bigger.<br />Okay, try on this one, please.<br />Okay, try on this one, please.<br />Size 40.<br />Size 40.<br />Great.<br />I will take it.<br />How much is it?<br />150 yuan.

1. （1） What's the probable relationship between the two speakers?

   A . Mother and son. B . Doctor and patient. C . Shop assistant and customer.
3. （2） What is the size of the man's new shirt?

   A . Size 39. B . Size 40. C . Size 41.