better corresponds to the meaning of non-underlined sentence: had raised a key short-term interest rate again last month)
actually, no.
"make(s)" is written in the present tense (in all five choices). thus, this statement is a generality.
(sarah isn't going to like this pad thai, because she hates spicy food --> IN GENERAL she hates spicy food, so we can rest assured that she won't like this particular dish.)
so, ironically, this statement is specifically NOT a reference to the current situation. it's an across-the-board generalization--like "sarah doesn't like spicy food"--from which the analyst is drawing an inference.
if the statement were a reference to the current situation, then we would have to write...
...rising interest rates are making lines of credit more expensive (if the change is occurring at the moment)
...a rise in interest rates has made lines of credit more expensive (if the rates are done rising, at least for now).