(安徽省马鞍山市2009届高三第一次教学质量检测) It was reported that as many as 50%of patients do not take medicine      directed,    has drawn doctors’attention.  
#95048
A
when;it
B
as;what
C
as;which
D
that;and
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While watching television,         .
#93690
A
the doorbell rang
B
we heard the doorbell ring
C
there was someone knocking at the door
D
we heard the doorbell rung