Answer: A
The past perfect progressive emphasizes the duration of a past action before another action happened. For example, “I had been smoking for 10 years before I quit.” You form the past perfect progressive by using had been followed by an –ing verb.
nobility commoners clergy
Conciseness, objectivy and accuracy.
Answer: the answer would be B, change “it” to “the sign”.
Explanation: that’s the most logical choice and the answer that makes the most sense if you replace it in the sentence.
