There is no error in the sentence hence the correct answer is Option A.
A Grammatical Error is one that contains a faulty use of grammar. An example could be:
A version of the sentence above that is wrong is:
Without knowing where to go, the two children wandered through the forest, and got lost, and a witch found them.
Learn more about Grammatical Errors at:
https://brainly.com/question/15883594