NLS parameters can be set using the five methods listed. Put the methods in order from highest to lowest
according to Oracle‟s order of precedence: （）
a. Default setting
b. Client environment variable
c. Explicit ALTER SESSION statement
d. Inside SQL function
e. Server initialization parameter

A. b, d, e, a, c
B. e, a, b, c, d
C. d, c, b, e, a
D. a, b, d, c, e
E. d, c, b, a, e