单项选择题

A.舒张压>110mmHg,或血压>140/90mmHg
B.舒张压>120mmHg,或血压>150/90mmHg
C.舒张压>120mmHg,或血压>160/100mmHg
D.舒张压>130mmHg,或血压>170/110mmHg
E.舒张压>140mmHg,或血压>180/120mmHg