If you keep getting wrong numbers, your phone could be ---
问题描述：
If you keep getting wrong numbers, your phone could be ---
A deceptive B defective C deficient D ineffective
B,C意思相近,所以混淆了.答案是B,为什么?可以说下B和C区别么?
答
因为be是系动词,后要加形容词够成系表结构.B与C的区别就在于B是形容词,C而不是.