An Adult Man Suffered from Stable Angina Pectoris for 15

An adult man suffered from stable angina pectoris for 15 years, during which time there was progressive heart failure and repeated pulmonary thromboembolism. On his death at age 63, autopsy disclosed enormous cardiomyopathy (1100 g) ,\ cardiac storage of globotriaosylceramide (11 mg lipid/g wet weight) , and restricted cardiocytes. To which of the following lipid classes does globotriaosylceramide belong?

A) glycosphingolipid
B) phospholipid
C) saturated fatty acid
D) sphingomyelin
E) triglyceride