Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage.

My Experience on an Elephant Safari

We went on an elephant safari at a place (1) __________Camp Jubalani in South Africa. They take visitors on safaris twice a day: once in the morning and once at night. Guests can go on as many rides as they like, but they don't (2) __________you ride an elephant if you are younger than twelve years old. Luckily, I'm fifteen! On our first safari, I felt really scared. I remember thinking we could have gone on a beach holiday instead! As I was climbing onto the elephant, I wondered how I was going to control (3) __________a big animal. I soon (4) __________ that I ought not to have worried so much. They made you sit with an experienced elephant trainer. You can't ride on your own. During the trek, we saw giraffes, zebras, lions, and rhinos. My parents took a lot of photos. I would have taken photos myself but I'd left my camera in my room. I can't remember exactly how long the safaris lasted, but it must have been a couple of hours because we got (5) __________ just in time for lunch. 

I soon (4) __________ that I ought not to have worried so much.