For the sentence
"The organization shall encourage all employees to keep abreast of the latest developments in their particular areas of expertise, through ____________, _____________, and _____________ and shall make adequate resources available to enable this to occur,"
Choose the correct combinations of words from the following options:
A . courses, conferences, journals
B . conferences, discussion groups, blog sites
C . courses, educational certification, journals
D . journals, courses, compliance mandates