单选题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?（）AGET_GROUP_ROW_COUNT BGET_GROUP_SELECTION_COUNT CGET_GROUP_SELECTION DFIND_GROUP EFIND_COLUMN FADD_GROUP_ROW
单选题
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
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