Jasmine used a data logger to measure and record the temperature of 3 similar ponds over a month. She also recorded the number of fish living in the three ponds. With all the information she obtained, she was able to draw conclusion for her investigation. The aim for this investigation was to find out if the____ ( )
选项：

A:temperature of water affects the number of fish living in the pond
B:temperature of water affects the types of fish living in the pond
C:type of water affects the number of fish living in the pond
D:type of fish living in different ponds will change over a month.