Which Statement About "Cash and Cash Equivalents" Is Correct

Which statement about "cash and cash equivalents" is correct?

A) Exchanges of "cash and cash equivalents" for items that are not "cash and cash equivalents" result in cash flows for the cash flow statement.
B) Changes in the composition of "cash and cash equivalents" is considered a cash flow for purposes of the cash flow statement.
C) Changes in the composition of "cash and cash equivalents" is considered an operating activity on the cash flow statement.
D) Cash equivalents include investment in long-term bonds.