Which of the following data is MOST likely to be stored as a string?

3.1415927 is a decimal number and would typically be stored as a floating-point data type, such as float or double.

x is a single character, which could be stored as a char data type, although it can also be represented as a string of length one.

"Cat" is a sequence of multiple alphanumeric characters, which is the fundamental definition of a string data type in programming, typically used to represent text.

42 is an integer, and would typically be stored as an integer data type, such as int.