<span>He was working as an engineer in Switzerland at the time.
"Was working" is past progressive. </span>
Her mother keeps showing her off like she was a trophy. Also her mother keeps criticizing everything she do
Answer:
He needs help. The theme of the title is a man who needs help. He might be dying of heart attack because he is 87.
Explanation:

In the English language, the word "who" is almost always used as a pronoun.
It represents a person, similar to the words "I" and "me".