Concept:The given phonetic symbol represents the diphthong sound /aυ/, as in "how" or "cow".Explanation:The word "plough" is pronounced /plau/.It directly contains the target sound /aυ/.Now check the other options."Vogue" is pronounced /veug/, which does not have /au/."Drool" is pronounced /dru:l/, which does not have /aυ/."Drawn" is pronounced /dro:n/, which does not have /au/.Therefore, only "plough" matches the sound represented by the given symbol.Answer:C. plough