Which lines best develop the theme that the world contains both beauty and terror?
O "What immortal hand or eye / Dare frame thy fearful symmetry?"
O "What the anvil? what dread grasp / Dare its deadly terrors clasp?"
O "Did He smile His work to see? / Did He who made the lamb make thee?"
"And what shoulder and what art / Could twist the sinews of thy heart?"

the present continuous is a verb tense which is mainly used to indicates that an action is in progress at the moment of speaking.  

it is formed using: person + verb to be (am/is/are) +verb + - ing form  

example: i am studying at this moment .

in addition, the present continuous is also used in order to express things that will or will not happen in the near future.

example: i am having dinner with some friends tonight.

the speaker sometimes   uses it   to express that an action is repeated and it causes irritation on the part of the speaker

example: my sister is constantly complaining about everything.

the father traits is what becomes more dominate the mothers is half dominate or vise versa depending on the gender.

the answer is c

hope this