From the words or group of words lettered A to D, choose the word or group of words that best completes each of the following sentences: Olu passed his exam...

Answer Details

The word that best completes the sentence is "because". This is because the word "because" is used to indicate a reason or explanation for something. In the sentence, "Olu passed his examination because he was a determined student", the reason for Olu's success in the examination is explained by his determination.