二、對話:10%（@1%）51. Doctor: OK, we are finished with all of the health tests.Roxanne: How often should I get a health check up?Docto;_____ 
(A) You should get a physical exam every year.
(B) You can pick up the results sometime next week.
(C) Take three of these pills and call me if you feel sick.
(D) Go home, drink more water and get some rest.