A

Test question analysis: Based on textbook knowledge, face learning pressure rationally: Our current main task is to learn, that is, to lay the foundation for the realization of our ideals . It's normal to feel stressed while studying. Moderate anxiety reflects our positive and serious attitude towards exams, but excessive exam anxiety will interfere with our learning and have a negative impact on our physical and mental health. This sentence in the question reflects the pressure required to study, so the answer is A. Statement B is wrong, people also need pressure. CD's statement is too absolute and inconsistent with the facts.