Chris, Molly, Sara, and Lynn each has some coins. Chris gives Molly $20$ coins, Molly gives Sara $25$ coins, Sara gives Lynn $30$ coins, and Lynn gives Chris $30$ coins. Now, which of the following is correct if they each wants to have the same number of coins as in the beginning? 
选项为:A:Lynn gives Sara $5$ coins, and Molly gives Sara $5$ coins.  B:Chris gives Molly $5$ coins, and Chris gives Lynn $10$ coins.  C:Chris gives Molly $5$ coins, and Chris gives Sara $5$ coins.  D:Chris gives Lynn $10$ coins.  E:Chris gives Sara $10$ coins.  请回答其中一个选项.