C. Mr. Teller wants his dog, Lucy, back.
This is the conflict because June fell in love with Mr. Teller's dog, but he wants it back, which has created a problem between the two characters.
A is the answer. Hope this HELPS!!
Okay so you just replace certain words in the sentences with the words in the brackets. For example, in the 2nd question you rewrite the sentence as Looking after animals is *far more* time consuming than looking after children. Hope this helps! :D