【单选题】Drug Reactions--a Major Cause of Death Adverse drug reactions may cause the deaths of over 100,000 US hospital patients each year, making them a leading cause of death nationwide, according to a repor...
A.
ADRs have caused medical problems, though they seldom lead to death
B.
ADRs have very often caused patients to die in Canada
C.
ADRs have caused many deaths in America over the past 30 years