The record group in the EMP form is populated using a SELECT statement that is constructed programmatically at runtime. Five employee records are displayed at one time, and a user chooses item two from the record group. Which built-in would you use to determine which rows were flagged in the record group?（）

A. GET_GROUP_ROW_COUNT
B. GET_GROUP_SELECTION_COUNT
C. GET_GROUP_SELECTION
D. FIND_GROUP
E. FIND_COLUMN
F. ADD_GROUP_ROW&e