A simile is when as or like is used to compare two unalike things.
Personification is giving something not human, human characteristics.
Irony is calling a big dog tiny.
D
D
A
B
C
I am not 100% sure these are correct. You can always ask your teacher for a redo though.
I think answer D Thrifty fits the sentence the best. The definition of frugal in this context, according to the Cambridge dictionary is “careful when using money” so A and B are completely wrong. C doesn’t seem to fit the context quite well so D it is