单选题 What is said about the iceberg chunks?

A、 They resulted from an ice shelf split some 20 years ago.
B、 They are each as big as some 260 square kilometers.
C、 They are a big threat to the South Georgia wildlife.
D、 They may destroy South Georgia altogether once running aground.

【正确答案】 C

【答案解析】原文：There is a good way to get some extra cash for people with a sweet tooth. A candy company wants people to test its original sweets. It will pay $ 30 an hour. The Candy Funhouse requires " candyologists" to give feedback on its candies and chocolates. It has a huge range of 3,000 products but is always making new sweets. The candyologists will decide on new candies for the company’s branded sweets. It hopes to improve its global reputation. The successful applicants must have some basic qualifications. They must be enthusiastic, they must give honest opinions on the products they test, and they will also have to write a short description for each product they test.根据新闻定位句可知，冰山的尺寸对南佐治亚的野生动物来说是一大威胁。故选C。