Of the Following Individuals, Who Would Be Considered a Part-Year

Of the following individuals, who would be considered a part-year resident of Canada for the current taxation year?

A) Ravi is a citizen of India, where he was born and lived until moving to Canada on March 1 of the current year with his wife and child. He was transferred by his employer to its Canadian head office.
B) Helga had lived and worked in Canada for 10 years. She was transferred by her employer to its flagship hotel in Switzerland on March 1 of the current year for a 1 year training assignment. Her husband remained in Canada to complete his MBA.
C) Marc is a French citizen who lives in Paris. On March 1 of the current year he begins work as a translator in Ottawa. It is a 1 year assignment.
D) Billy Bob is a U.S. Marshall on loan to the RCMP detachment in Nunavut. It is a 9 month assignment.