Read the excerpt below and answer the question,
now came a pause of ten minutes, during which i, by this time in perfect possession of my wits, observed all
the female brocklehursts produce their pocket-handkerchiefs and apply them to their optics, while the elderly
lady swayed herself to and fro, and the two younger ones whispered, "how shocking! " (chapter 7)
using context clues, the word optics in the above passage most likely refers to
a. noses
b. mouth
c. eyes
d. ears

C, Eyes

Explanation:

The word "optic" from the Greek root word "optikos" means eye.

EYES

Explanation:

c -invasion by the moroccans.

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.