In the following passage, some words have been deleted. Select the most appropriate answer from the given options.

We got vitamin C, iron tablets and hot chocolate milk with our breakfast. These were given for__(A)__ and to keep us warm in the cold. Every morning there would be a medical check-up. We tied our bandages and counted the days left! After an eight-kilometre trek, we reached a river. There was a thick rope tied__(B)__ the river,  from one bank to the other. The rope was tightly fixed to __(C)__ on both sides.  I  was feeling nervous.  I started thinking about what__(D)__ happen if the rope came out.  I  was trying to estimate how wide the river was. Our instructor tied a rope__(E)__ his waist and put a sling in it. He then put the sling on the thick rope tied across the river.