Answer:
A tiger.
Considering I have no clue what these questions are based on, I will base it on the title.
The speaker of a poem is sometimes the poet
Skinny and they don’t eat much so they don’t get bloated
EXPLAINS, IS
The tour guide EXPLAINS that either candles or a lantern IS used to see into the tomb.
Tour guide is singular. Therefore, verb used must be in singular form.
Lantern is singular and it is the nearest subject of the verb. Thus, the verb must also be in singular form.