Select the abbreviation that tells how the italicized noun clause is used. S-subject, DO-direct object, SC-subject complement, OP-object of preposition

The company rules demanded that the monthly bills be paid before the end of the month.

DO
SC
OP
S

plot- the main storyline of a work consisting of a chain of events related by cause and effect.main plot- the main story line

no its not a run on sentence however i think you meant wet suits not sours also a run on sentence would be like surfers surf all winter long in southern california by using wet sours to keep them warm and the live their all year long  

the answer is b

hey u think u can me with a summary? ?