$11$ Carmelina is $68$ years old and has lived in Canada for $42$ years. She qualifies for full Old Age Security $($OAS$)$ benefits but, she has no other source of income beyond government pensions. This year, Carmelina plans to live in Italy for the whole year. What statement is true?

a$)$ She will receive the full amount of her Old Age Security and Guaranteed Income Supplement $($GIS$)$ payments.

b$)$ Her GIS benefits will be reduced by $$1$ for every $$2$ of OAS benefits she receives.

c$)$ Later this year, she will be subject to a suspension of GIS payments because of her absence from Canada.

d$)$ She will not receive either OAS or GIS payments while she is absent from Canada.