Anna Has Been Called to Serve as a Reserve Officer

Anna has been called to serve as a reserve officer in the Canadian Forces. She is leaving for the war zone in 30 days. Which of these statements accurately outlines what Anna's employer is legally obliged to do?

A) Anna's employer is not required to grant military leaves-Anna may lose her job.
B) Anna's employer can require her to use up her three weeks of paid vacation while she is deployed.
C) Anna's employer is not required by law to pay her while she is on military duty.
D) Anna's employer is required by federal law to pay her the difference between her military pay and her civilian pay.