A channel is started as having a controlling depth of 38 feet. Which statement is TRUE?_____
A.At least 80% of the channel is cleared to the charted depth.
B.At least 50% of the channel is cleared to the charted depth.
C.100% of the channel depth is clear to 38 feet.
D.The sides of the channel conform to at least 50% of the controlling depth.
正确答案：C
航道被标注为38英尺的限制水深则水道百分之百都拥有38英尺的水深
