According to AASB's Interpretation 1031 How Many of These Statements

According to AASB's Interpretation 1031 how many of these statements relating to the treatment of GST in the statement of cash flows are true?
A.All GST outlays and GST collections are regarded as effecting operating activities
B.Cash flows from operating activities are reported at gross amounts inclusive of GST
C.Cash flows from investing activities are shown net of GST,with GST on investing activities included as part of operating activities

A) 0
B) 1
C) 2
D) 3