The languages used in China is

The correct answer is A. Chinese, English.

Chinese is the official language of China and is spoken by the majority of the population. English is the second most widely spoken language in China, and is used in business, education, and government.

Arabic is not widely spoken in China. French is not widely spoken in China. Korean is not widely spoken in China.

Here are some additional details about each of the options:

• Chinese is a tonal language, which means that the pitch of your voice can change the meaning of a word. There are seven tones in Mandarin Chinese, the most widely spoken dialect of Chinese.
• English is a Germanic language that is spoken in many countries around the world. It is the most widely spoken language in the world, with over 1.5 billion speakers.
• Arabic is a Semitic language that is spoken in many countries in the Middle East and North Africa. It is the official language of 26 countries.
• French is a Romance language that is spoken in many countries around the world. It is the official language of 29 countries.
• Korean is a Koreanic language that is spoken in Korea. It is the official language of both North Korea and South Korea.