题目内容：
根据下列材料，请回答题Free Statins With Fast Food Could Neutralize Heart Risk
Fast food outlets could provide statin drugs free of_______ (51)SO that customers can reduce the heart disease dangers of fatty food，researchers at Imperial College London_______ (52)in a new study．
Statins reduce the_______ (53)of unhealthy“LDL”cholesterol in the blood．A wealth of trial data has proven them to be highly effective at_______ (54)a person’S heart attack risk．
In a paper published in the American Journal of Cardiology，Dr．Darrel Francis and colleagues calculate that the reduction in heart attack risk offered by a statin is_______ (55)to offset the increase in heart attack risk from_______ (56)a cheeseburger and drinking a milk shake．
Dr．Francis，from the National Heart and Lung Institute at Imperial College London，who is the senior author of the study．said．“Statins don’t cut out all of the_______ (57)effects of cheeseburgers and French fries．It’s better to avoid fatty food altogether．But we’ve worked out that in terms of your_______ (58)of having a heart attack，taking a statin can reduce your risk to more or less the same_______ (59)as a fast food meal increases it．”
“It’s ironic that people are free to take as many unhealthy condiments in fast food outlets as they_______ (60)，but statins，which are beneficial to heart heahh，have to be prescribed．It_______ (61)sense to make risk—reducing stains available just as easily as the unhealthy condiments that are provided free of charge．It would cost less than 5 pence per_______ (62)—not much different to a sachet of sugar，”Dr．Francis said．
When people engage in risky behaviours like driving or smokin，they’re encouraged to take_______ (63)that lower their risk，like_______ (64)a seatbelt or choosing cigarettes with filters．Taking a statin is a rational way of ．_______ (65)some of the risks of eating a fatty meal．
_________ A．change
B．charge
C．chain
D．chance
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