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9.     Studies show that young people with higher-than-average blood pressure and their families have a history of high blood pressure are more likely than others to develop a severe form of the condition.

(A) and their families have a history of high blood pressure

(B) whose families have a history of high blood pressure

(C) and a history of high blood pressure runs in the family

(D) whose families have a history of high blood pressure running in them（B）

(E) with a history of high blood pressure running in their family

这题答案B中的whose会不会有修饰前面high blood pressure的嫌疑啊？我记得以前看过不是说whose which that都是修饰紧跟前面的名词的吗？