The Vessel Bridge-to-Bridge Radiotelephone
题型：单项选择题
问题：
The Vessel Bridge-to-Bridge Radiotelephone Act applies to which towboat?（）
A.A 100 GT towboat，24 feet in length
B.A 90-foot towboat tied to the pier
C.A 60-foot towboat towing by pushing ahead
D.A 400 GT towboat anchored