What is the main difference between the distance$-$based and the character$-$based phylogenetic algorithms?

Question $6$Answer

a$.$

distance$-$based methods are statistically based in which the algorithm performs a probability analysis

b$.$

all of the answers listed are correct

c$.$

for distance$-$based, the number of changes between the sequences gets collapsed into a single number

d$.$

for distance$-$based, the resulting tree$($s$)$ are unrooted