6. On weekend, my grandma usually ____ a glass of wine.

A. subscribes toB. engages in

C. hangs onD. indulges in

subscribe订阅

subscription订阅量、订金

engage in从事某事、忙于某事

engaging迷人的、吸引人的

engagement约会、订婚

tryst约会

hang on坚持、紧握着、抓住不放

indulge in沉浸于其中、放纵的、享受

dull钝的、枯燥的、白痴的、傻乎乎的、呆滞的、索然无味