Something wherein a related thing stands for the thing itself is called a me<span>tonymy</span>
I believe the answer is C. But I am not quite sure
C. unable because the effect of you forget in game the wallet is being unable to purchase anything
Whenever repetition is used, it is used to bring attention to the main point, and to make it more memorable in the listener's minds. This makes you remember this phrase more, and makes you more likely to agree with it.