"The modernists did not follow uniform rhyme and rhythm patterns" is the one statement among the following choices given in the question that shows the way the modernist poets' language differ from that of traditional poetry. The correct option among all the options that are given in the question is the third option or option "C".
A hook is the “attention catcher” of an essay or book, or any other written material. It grabs the reader’s attention and makes them want to keep reading. Therefore, it is C.
Abstract nouns are words that name things that are not concrete. Your five physical senses cannot detect an abstract noun – you can't see it, smell it, taste it, hear it, or touch it. In essence, an abstract noun is a quality, a concept, an idea, or maybe even an event.
So the answer would be abstract.
Hope it helped :)