單選題

　　[填句補文]Bees are flying insects closely related to wasps and ants， and are known for their role in pollination （授粉）and for producing honey and beeswax.

　　________ The best-known bee species is the European honey bee， which， as its name suggests， produces honey， as do a few other types of bee.

　　A、There is only one queen in a hive.

　　B、Every bee does a job without being told.

　　C、There are nearly 20，000 known species of bees.

　　D、Bees do not like ice and snow.