Insert the commas. use soap and hot water and a fresh towel to clean your hands before cooking.

a.) after the words "soap" and "water"
b.) after the words "soap" "water" and "towel"
c.) no commas needed

C. No Commas Needed

Explanation:

No commas are needed in this sentence because the word "and" is placed between these words: words soap, hot water, fresh towel. If the word "and" was not placed in between these words, then commas would be needed after the words soap and hot water.

harlem's  cotton club boasted the talents of duke ellington. singers such as bessie smith and billie holiday popularized blues and jazz vocals. jelly roll morton and louis armstrong drew huge audiences as white americans as well as african americans caught jazz fever.