Which of these does the operating section of a cash flow statement not contain?

I think that  a cash flow satement contain  All opitions suggested beacause they  all are flow in-or-  out for cash 

B- Payments to suppliers. This activity is related to the operating cash flow section.

D. Purchase of fixed assets. these will appear under Investing activities.

 d. Purchase of fixed assets    

 a. Interest received on loans

Cash flows shown by the following activities: -

A operations.

(B) investment operations.

(C) financing operations.

 c. Dividends received from investments