From the words lettered A to D, choose the word that contains the sound represented by the phonetic symbol.

/t∫/

In the sentence below, there is one underlined word and one gap.From the list of words lettered A to D, choose the one that is most nearly opposite in meaning to the underlined word and that will at the same time correctly fill the gap in the sentence.

Many parents assume that their children are ignorant whereas they are........