Answer:
Depicting a staff as snakelike could possibly mean that it is just shaped a way a snake is; what I mean is that it may just be twirly or curvy. However if you are relating it towards symbolism it may represent evil, and possibly sneaky because snakes tend to be associated with being sly and representing the devil, which is again evil/darkness.
The montage set to upbeat music. People like to see happy people so that would work the best.
<span>Once she left the store, my mother realizes she forgot her purse on the counter.
</span>
Left is past tense, but realizes is present tense.
The way to correct the sentence would be:
Once she left<span> the store, my mother </span>realized<span> she forgot her purse on the counter.
</span>
Your answer is
B.The verb tenses shift.