Which of the following country does not have a multiparty system?

China

The correct answer is Option (3) - China

China is a single-party state with the Communist Party of China holding complete control.

Both the United States of America and India have multiparty systems. In the United States, there are two major political parties (Democrats and Republicans) along with several smaller parties. Similarly, India has a multi-party system with numerous political parties competing for power at the national and state levels. China and the United Kingdom, on the other hand, have different political systems. China has a one-party system dominated by the Communist Party of China, while the United Kingdom has a two-party system dominated by the Conservative Party and the Labour Party, although other smaller parties also participate in elections.