Does anyone know the answer to this

Although the account is in good standing at this point in time. is this sentence incomplete or complete?

“second, the reviewer must know the current trends in movie-making. what types of technology are available? are audiences more drawn to low-budget, independent films, or huge, explosive blockbusters? ” the passage above is explaining a. important information you must have before watching a movie c. what a reviewer must understand to write effective reviews b. why it is impossible to understand the movie business d. how to break into the cinematography business

Which word in the sentence is the object of the preposition ? scrape the dishes and put them in the sink 1)in 2)them 3)dishes 4)sink