As the recipe suggests, it is advisable to cook the meat for a minimum of 2 hours, or until it is（）（煮烂的）.

As the recipe suggests, it is advisable to cook the meat for a minimum of 2 hours, or until it is（）（煮烂的）.
A.ragged
B.disordered
C.corrupted
D.tender
正确答案：tender