单项选择题
A．using various telescopes B．based on Aristotle’s beliefs C．through observations and reasoning D．under the encouragement of his friends
A．they could feel it moving about wildly B．the whale seemed very heavy C．the whale was swelling at one spot D．the captain heard Bartley yelling for help
A．loss of confidence B．lack of money C．crowds of people D．inexperienced tellers