To Learn How to Spell "Rhinoceros," Paula Repeats the Letters

To learn how to spell "rhinoceros," Paula repeats the letters of the word over and over again without really thinking about what she is saying.Considering research findings about the effectiveness of rehearsal, we can predict that Paula's strategy will be:

A) highly effective.
B) effective only if she says the letters in a very loud voice.
C) effective only if she says the letters slowly (e.g., at a rate of one letter per second) .
D) relatively ineffective.