The problem becomes worse due to _____.
A.the increasing number of patients B.the widespread medical knowledge on the Internet C.the patients,regular visits to doctors that occupy too much time D.new diseases and symptoms emerge constantly正确答案B
The problem becomes worse due to _____.
A.the increasing number of patients B.the widespread medical knowledge on the Internet C.the patients,regular visits to doctors that occupy too much time D.new diseases and symptoms emerge constantly正确答案B
