单项选择题According to the text, learning to control your nervousness can ______.
单项选择题The Maintenance of Parents Bill ______.
单项选择题By quoting the growing percentage points of the aged in the population, the author seems to imply that ______.
单项选择题At the end of the passage, the author seems to imply that success of the Bill depends upon ______.
单项选择题Which of the following statements is CORRECT