Explanation:
At midday the tourists <u>were being shown</u> the gardens....
Even though you didn't give us the fragment with the comma slice, it isn't really necessary here as we can answer just based on these 4 options here. All options apart from the second one are correct - only the second option doesn't fix the mistake of the comma splice, whereas the other options do but connecting the sentences properly.
The trees whispered quietly as the wind blew through them.
The couch groaned in pain as Mr. Hughes sat down.
hope tht helps:)
Ur answer would be B. Threatening :)
I think the answer is B
A is belong to economics.
C is belong to arts
D is studying the language
