▽Online Dictionary ●04/02 11:23 Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 13,892,635,674 visits servedIdentify the auxiliary verb used in the following sentence:“Have you been working on this project for long?”a) haveb) beenc) workingd) A & Be) B & Cf) None of the aboven. A colorless plastid in the cytoplasm of plant cells around which starch collects