Select the statement that best describes The cure for Amplification Principle in the Internetdomain， as explained in RFC 3429 （Internet Architectural Guidelines ）（）？
Amplification is prevented if global changes have only a local effect as opposed to systems in which global changes have a local effect
B. Amplification is prevented if local changes have only a local effect as opposed to system inwhich localchange have a global effect
C. Internet domain does not suffer from“The Amplification Principle”as BGP takes care of misbehaving advertisers
D. None of the above
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科学问题是指一定时代的科学认识主体在当时的科学实践水平和知识背景下提出的关于科学认识和科学实践中需要解决而未能得到解决的矛盾。它包含着一定的求解目标和应答域，但尚无确定答案。意义如下：
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.
A. Once every third year
B. Once a month
C. Once a year
D. Once a week
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