A report author uses the following expression: lastPeriods(3,[2007/Mar]). What data will be returned when the report is run?
A. The last 3 months before 2007/Mar
B. 3 months, including 2007/Mar and the preceeding 2 months
C. The total of currentMeasure for 3 months including 2007/Mar and the preceeding 2 months
D. The month March of each of the 3 years 2005, 2006, and 2007