Concept:The consonant cluster being tested is /θr/, as in "threw".Explanation:"Threw" is pronounced /θru:/, so it begins with the cluster /θr/."Teak" begins with /t/, which does not match /θr/."Trend" begins with /tr/, which does not match /θr/."Though" begins with /ð/, which also does not match /θr/.Hence, "threw" has the required consonant sound(s).Answer:C. threw