Final answer:
The correct word to fill in the blank for the given sentence about WellCare's expansion for 2024 is 'multiple.' This term indicates that WellCare expanded into more than one state.
Step-by-step explanation:
The question is asking to fill in the blank with the most appropriate word to complete the sentence accurately. The statement given is "WellCare expanded our county footprint in _____ states for 2024." By understanding the context, we can determine that the missing word should refer to some quantity of states.
Therefore, the correct answer is d. multiple, which means 'many or several' and is commonly used to describe an unspecified number greater than one but not necessarily a large number. It is the word that best fits the context of a company expanding operations in more than one state.