Which group of words best the reader understand the meaning of the word authoritative in this sentence?

i believe that this book is authoritative, but that other short pamphlet has some bad information in it.

a. has some bad information

b. short pamphlet

c. this book

d. i believe that

what you where bleeping things out

what is the book idiot with the brocken tester

the answer is b:   the american composer and singer bob dylan composed many songs, by which he is very famous and considered one of the mosts influencial artists of pop music. he was awarded the nobel prize in literature for his type of poetry. but the huge impact his songs had are due to both lyrics and music, without which the message would lose strength.