问题如下：
Which one of the following statements about multilateral netting systems is not accurate?
选项： Systemic
risks can actually increase because they concentrate risks on the central
counterparty, the failure of which exposes all participants to risk.
The concentration of risks on the central counterparty eliminates risk because of the high quality of the central counterparty.
C.By altering settlement costs and credit exposures, multilateral netting systems for foreign exchange contracts could alter the structure of credit relations and affect competition in the foreign exchange markets.
D.In payment netting systems, participants with net debit positions will be obligated to make a net settlement payment to the central counterparty that, in turn, is obligated to pay those participants with net credit positions.
解释：
ANSWER: B
Answers C and D are both correct. Answers A and B are contradictory. A multilateral netting system concentrates the credit risk into one institution. This could potentially create much damage if this institution fails.
老师就选项C可以解释下吗谢谢
