Which of the Following Is Correct About the Average Number

Which of the following is correct about the average number of hours worked per week in Canada today?

A) Fewer employed Canadians are working part-time compared to several decades ago.
B) Part-time employment rates declined during the recessions of 1981-82 and 1990-92.
C) Compared to a decade or two ago, more Canadians are working part-time and more are also working more than 40 hours per week.
D) The average number of hours worked per week declined until the 1950s, and then slowly increased again.