From the words or group of words lettered A to D, choose the word or group of words that best completes each of the following sentences: School children are...

From the words or group of words lettered A to D, choose the word or group of words that best completes each of the following sentences:
School children are advised to refrain.......smoking

Answer Details

The correct option to complete the sentence is "from". "Refrain" means to avoid or abstain from doing something. So, "refrain from" smoking means to avoid smoking or not to smoke.