34.Do not be afraid to eat with your hands here. When in Rome, do __________ the Romans do.
(A) for
(B) as
(C) of
(D) since

這句話引用了諺語 "When in Rome, do as the Romans do"，意思是「當你身處一個地方時，應該遵循那裡的習俗和行為方式」。