Evaluate the following query: SQL> SELECT TRUNC (ROUND(156.00, -1),-1) FROM DUAL; What would be the outcome? 

Answer options:

A. 150
B. 200
C. 160
D. 16
E. 100

C

References: https://docs.oracle.com/cd/B19306_01/server.102/b14200/functions135.htm https://docs.oracle.com/cd/B28359_01/olap.111/b28126/dml_functions_2127.htm