A. Supporting B. Supported C. Havingsupported
A. inwhich B. inthat C. fromwhere
A. take B. hadtaken C. took
A. of B. on C. to
A. which B. that C. it
A. besubmitted B. shouldsubmit C. mustbesubmitted
A. it B. that C. this
A. where B. which C. how
A. Havingdiscussed B. Discussed C. Discussing
A. where B. that C. before