C looks to be right, normally when ¨and¨ theres no comma, but when there are two sentences theres normally a comma. plus when saying a title theres normally a :
Well, first of all, there are no spaces.
Second, the second sentence shouldn't have a comma.
Third, the third sentence should instead be:
Often, owners will shout at their dogs or even punish them. But what is needed instead is training.
I hope this helped! If you have any problem please let me know.
Answer: Sequence/process (C)
Explanation: assembling a bicycle is a process
B because distraught is an adjective and it's describing how you felt when you lost the ring.