Most people have no idea of the hard work and worry that go into the collecting of those f

ascinating birds and animals that they pay to see in the zoo. One of the questions that is always asked of me is【56】I became an animal collector in the first【57】. The answer is that I have always been interested in animals and zoos. According to my parents, the first word I was able to say with any【58】was not the conventional" mamma" or "daddy" ,【59】the word "zoo" , which I would【60】over and over again with a shrill【61】until someone, in group to【62】me up, would take me to the zoo. When I【63】a little older, we lived in Greece and I had a great【64】of pets, ranging from owls to seahorses, and I spent all my spare time【65】the countryside in search of fresh specimens to【66】to my collection of pets【67】on I went for a year to the City Zoo, as a student【68】, to get experience of the large animals, such as lions, bears, bison and ostriches,【69】were not easy to keep at home. When I left, I【70】had enough money of my own to be able to【71】my first trip and I have been going【72】ever since then. Though a collector's job is not an easy one and is full of【73】, it is certainly a job which will appeal【74】all those who love animals and【75】.

(56)

A．how

B．where

C．when

D．whether