14. High cholesterol puts a person _____ a heart attack or stroke caused by a blood clot, so balanced
diet is essential.
(A) on risk at
(B) in risk at
(C) in risk on
(D) at risk of
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統計: A(20), B(36), C(33), D(502), E(0) #1727120
統計: A(20), B(36), C(33), D(502), E(0) #1727120