Please answer the following question: I'm taking a test and have to guess the right answer to the question after the article. Article: Reform the gaokao The college entrance examination is one of the most important tests in our lives. Now, the big exam has got a big change. the government announced a reform plan on Sept 4, 2014. According to the plan, there are only three required tests that everyone to take - Chinese, maths and foreign language. Each subject is marked out of 150. Students can take foreign language tests twice. Students also have to learn six other subject - physics, chemistry, biology, geography, politics and history. They will have a final test after finishing their studies in each subject. They can choose three to hand in when applying for universities. Nowadays, liberal arts and science have different tests. For example, in some places, liberal arts students get easier math questions. Under the new system, everyone will have same tests. The reform will begin trials from this year in some cities. Current Senior 1 students in Shanghai and Zhejiang don't have to choose between studying liberal arts and science. Liu Yunsong, and English teacher at Beijing 101 Middle School, believes the reform is good news for junior students, especially for the English tests. "Two opportunities help the students show their real level better. As a result, we will pa y more attention to helping students be interested in the language instead of just teaching them the skills of dealing with tests. We will give them more chances to use the language, such as reading English." Question: How many subjects do students have to learn? Options: A: Three. B: Five. C: Six. D: Nine.
Answer:
D