（ ）茶具的密封性较好，有防潮、避光的性能，因而更有利于散茶的保藏。( ) the tea set has good sealing performance, moisture-proof and light proof performance, so it is more conducive to the preservation of loose tea. A.
陶瓷ceramic B.
竹木bamboo C.
玻璃glass D.
金属metal