The. Answer. Is. In. The. Photo. Below.
Answer by YourHope:
Hi! :)
Task: Select the correct subordinating conjunction to complete the sentence.
Answer: D) Whatever!
Your answer looks like this now: Whatever he did to study for the final exam must have been helpful; his grade improved from a B to an A!
Have a BEAUTIFUL day~
And idea or meaning that is unclear.
( hope this helps! <3 )