西方历史上，第一位把心理学作为独立学科研究，并建成一门科学的思想家是（）

A.裴斯泰洛齐

B.福禄培尔

C.蒙台梭利

D.赫尔巴特

What is likely to occur when you are surging synthetic mooring lines on the gypsyhead during mooring operations?（）

A.The lines may jam and then jump off the gypsyhead

B.If there is sudden strain on the line，the man tending the line may be pulled into the gypsyhead

C.The lines' surging may cause the vessel to surge

D.The heat generated may cause the lines to temporarily fuse to the gypsyhead