It is the last one because the other ones do not say she is going to
<span>The excerpt from "The Girl Who Silenced the World for Five Minutes" which expresses an opinion is - I wonder if they will even exist for my children. Assuming the other options are starving children around the world, countless animals dying across this planet, and holes in the ozone, then the only correct answer is the one I wrote above. The remaining options are facts, whereas the correct option is her personal opinion about the subject she is talking about. </span>
