GMAT Sentence Correction (SC) | Re: The javelin has a sharp point, which is more obviously

Thejavelin has a sharp point, which is more obviously dangerous than the discus; moreover, the discus is actually more likely to injure bystanders because, especially when wet, it can slip out of the thrower's hand and fly in a random trajectory.
javelin has a sharp point, which is more obviously dangerous than the discus; moreover,
javelin has a sharp point and is obviously more dangerous than the discus; however,
javelin's sharp point is obviously more dangerous than the discus,