Read the following passage and mark the letter A, B, C or D to indicate the correct word or phrase that best fits each of the numbered blanks.

Why is culture important and how does it answer the question "(106) ____ is cultural identity?"? Culture is the underlying (107) ____ of traditions and beliefs that help a person (108) ____ to the world around them. It is the basis (109) ____ any superstitions they may have. It is the aversion to (110) ____ types of meat, or which days you can work on. Culture gives us a definite starting point when beginning to (111) ____ for our roots. Knowing (112) ____ a person comes from will help to define how they look at their family obligations as (113) ____ as how they celebrate important milestones in life.As a person has given up their cultural identity, they (114) ____ can identify themselves with the things that were (115) ____ the most important things in their lives. They lose direction. As time (116) ____ by and they continue to forget about their past and their natural traditions, their identity becomes less and less (117) ____.Question (115)

A. at once

B. once

C. one time

D. for once