题目内容：
根据短文，回答题
The author saysthat the powerful .computers of today_______.
[ A ] are capable of reliably recognizing the shape of an object
[ B ] are close to exhibiting humanlike behavior
[ C ] are not very different in their performance from those of the 50's
[ D ] still cannot communicate with people in a human language
参考答案：
答案解析：