In this sentence we would be choosing the word which substitutes the word larcenous from the given option
Larcenous defines something that constitutes of materials obtained from theft
the word theft defines it in the best ways
If we look into the other options:
miserly means pitiably small or inadequate
extravagant means highly ostentatious or decorated.
Shrewd means having or showing sharp powers of judgement, astute
Option C is correct