He started in san francisco and arrived in japan almost three years later.
which type of noun is represented by the boldfaced word?
the boldfaced word is years.

The answer is - years is a common noun.

A common noun is a word that names a place, person, thing or idea but is not the actual name of someone or something. They are usually not capitalized unlike proper nouns. So for example 'girl' is a common noun and 'Rose' would be a proper noun which is an actual name.  

the correct answer is the first one.

hello,

your answer is a) the metaphor suggests that the poetic themes are serious and dark.

collins is comparing the poem to a dark room. he is suggesting that the poems theme is serious and wants you to understand it. you don't need to understand the poet in order to understand the poem. you also don't need to move around while reading it. he is simply saying the poem has a dark and serious theme.

- i.a -