Which line is a direct quotation from an external source? "This is quite clearly mid-range pottery, simple earthenware of a sort that many quite modest British households were then able to afford."

"But the owners of this particular set must have had serious social aspirations, because all three pieces have been decorated with a drape of lacy hallmarked silver."

"The historian Celina Fox explains that tea-time had become a very smart event . . ."

"In the 1840s the Duchess of Bedford introduces the ritual of afternoon tea, because by this time dinner had become so late, seven-thirty to eight o’clock . . ."

D. “In the 1840s the Duchess of Bedford introduces the ritual of afternoon tea, because by this time dinner had become so late, seven-thirty to eight o’clock . . .”

Explanation:

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

they are direct opposites. they can both be corrupted. they are inseparable.