OG13 SC-6 修饰语位置

半夏死磕GT

6. Diabetes, together with its serious complications, ranks as the nation’s third leading cause of death, surpassed only by heart disease and cancer.

(A) ranks as the nation’s third leading cause of death, surpassed only

(B) rank as the nation’s third leading cause of death, only surpassed

(C) has the rank of the nation’s third leading cause of death, only surpassed

(D) are the nation’s third leading causes of death, surpassed only

(E) have been ranked as the nation’s third leading causes of death, only surpassed

答案是A，我想知道surpassed ...在句子中做什么成分？算是后置状语从句吗?还蛮少见的