Tiffany uses $3$ identical red gems, $6$ identical blue gems, and $9$ identical pearls to make a necklace. If any two gems cannot be adjacent, how many ways does she have to make the necklace? (After flipping or rotating, if two neckleces can be the same, then count them as $1$ way.) 
选项为:A:$$7$$  B:$$10$$  C:$$12$$  D:$$20$$  E:$$36$$  请回答其中一个选项.