Write a question about the following article.

hidden spy nanny cams .Time is very precious . We can not afford to waste time on simple little things . In today 's stimulating era , we all need to be more attentive do something new to make things easy in life .

Question:
According to the excerpt , what is a good reason to install a hidden spy nanny cam ?
Options:
[A]. None of the above choices .;
[B]. To make sure that the children are behaving well .;
[C]. To make sure that the children are not abused .;
[D]. To make sure that the nanny is engaging with the children .;