Can i say who wants to be my girlfriend or who is wanting to be my girlfriend. which one is better?

Which of the following best explains why the author chose the compare-and-contrast structure for paragraph 2

Which change should be made to improve this sentence? allen jumped in the puddle and his new shoes got wet and muddy. a)the new shoes got wet and muddy and allen jumps in the puddle. b)allen jumped in the puddle and got his new shoes wet and muddy. c)allen jumped in the puddle and gets his new shoes wet and muddy. d)the new shoes are getting wet and muddy and allen jumped in the puddle.

How do i can change this sentence : a modern physician in a small town not only is proficient in general medicine but surgery as well. to parallel structure?