The antonym for the word is disinterested.
It is a saying that children use to make a promise. They will draw an X<span> over their heart with their finger and say </span> "Cross my heart, hope to die."<span> They may also add </span>"stick a needle in my eye."<span> to make the promise stronger. This shows that they are extremely serious about it.</span>
B, because it doesn't exactly quicken as in a, no odd characters are introduced, and these not really any details we need to know that are left out. I picked B because there are intentionally larger words.
the one who kills you in a few seconds so you do not have t think about diying
The answer is C. I got this right when I answered it, please correct me if I am wrong