Select all the correct answers. What is the meter in the following excerpt from “Jabberwocky” by Lewis Carroll?

'Twas brillig, and the slithy toves
Did gyre and gimble in the wabe

A.
iambic tetrameter (The foot has an unstressed syllable followed by a stressed syllable. This pattern repeats four times in each line.)
B.
trochaic trimeter (The foot has a stressed syllable followed by an unstressed syllable. This pattern repeats three times in each line.)
C.
iambic trimeter (The foot has an unstressed syllable followed by a stressed syllable. This pattern repeats three times in each line.)
D.
trochaic tetrameter (The foot has a stressed syllable followed by an unstressed syllable. This pattern repeats four times in each line.)