D. Was
Because if you read it with a,b, or c it wouldn't make sense. Now read it with D and see doesn't it make sense?
Shanghai is one of the four direct-controlled municipalities of China. It has a population of over 24 million people. In the last couple decades Shanghai has been on of the fastest growing cities. The city is one of the most expensive cities to live in China. It is also one of the main industrial centers. Shanghai is also home to one of the largest free-trade zones in China.
Shakespeare proposes an implied reference to a significant event that happens in his novel. In Hamlet, he allows the readers to imagine how death would eventually eat up everyone. It is a story that surrounds about a person's guilt.
Answer:
I shall clean the room after this class