Answer:
"better off"
Explanation:
In the given context, the phrase "better off" is representing a contrast or comparing the current situation of the daughters to the condition of the town women.
As given, the town women were more prosperous than the daughters in the early days and the daughters used to served the town women once. But when the daughters got married, they began to manage large firms and became stable in terms of wealth and grew fine families. The quality of life of the daughters' have improved and was better than the life of the town women.
Thus "better off" in the passage represents a contrast.
The correct option is C.
Evidence based tools refers to those tools which have been used by other researchers and which have been declared valid and feasible for research use and real time use.
When you want to use an evidence based tool, you have to ensure that the tool has been used in a situation that is similar to your own, this is necessary in order to obtain valid and accurate result.