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單項(xiàng)選擇題

 Form_A invokes Form_B in Post-Only mode. Which statement must be true?()

A.Form_A has updates or deletes that have not been posted or committed, and Form_A invokes Form_B with the OPEN_FORM built-in. 
B.Form_A has updates or deletes that have not been posted or committed, and Form_A invokes Form_B with the CALL_FORM built-in. 
C.Form_A has inserts that have not been posted or committed, and Form_A invokes Form_B with the OPEN_FORM built-in. 
D.Form_A has inserts that have not been posted or committed, and Form_A invokes Form_B with the CALL_FORM built in.

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