Which of these situations do you think presents a difficult choice?

old english did not sound like modern english, which differs widely in phonology and especially in grammar, so taht old english is unintelligible to modern speakers.

the average english was strongly influenced by the anglo-norman as later by the anglo-french. the pronunciation was affected by the norman with the sounds   "/ θ / and / ð / " transcribed as th.

modern english was standarized from the london dialect and extended by the government and administartion as well as by the effects of printing, began to acquire more words from other languages as well to imporve in a more fluent pronunciation.

the answer a: perseverance !

in other words

to put it differently

for one thing

as an illustration

in this case

for this reason

to put it another way

that is to say

with attention to

by all means

important to realize

another key point

first thing to remember

most compelling evidence

must be remembered

point often overlooked

to point out

on the positive side

on the negative side

with this in mind

notably

including

like

to be sure

namely

chiefly

truly

indeed

certainly

surely

markedly

such as

especially

explicitly

specifically

expressly

surprisingly

frequently

significantly

particularly

in fact

in general

in particular

in detail

for example

for instance

to demonstrate

to emphasize

to repeat

to clarify

to explain

to enumerate

answer: your option is c.

explanation: