Which one of the following is helpful for teachers to adopt Computer Assisted Learning (CAL) in the classroom?

Correct option is A

Answer: (a) Complete the language data accurately and rapidly.
Explanation:
CAL helps teachers process language data quickly and accurately, which is beneficial for language teaching. The other options describe limitations or obstacles: inability to develop language competency, inadequate teacher training, and mechanical approach. Only option (a) presents a positive, helpful feature of CAL.