You use were was doesn't sound right
The setting would be 'modern day' London. Modern day when it was written in the late 1800s.
The prepositional phrase is "after the test"
Answer:
a.) when writing a news article for an online magazine
Explanation:
I am 100% certain.
1.) The boxes were moved out of the way by Michael.
2.) The mug was broken by who?
3.) The grass hasn’t been cut by Tom yet.
4.) All the doors were locked by Sue.
5.) Last week, the house was painted by George.