I'd also say c as his hand holds onto the book through rigor mortis his body is also at a strange angle
At first, not all parts of the body inflate the same amount: The torso, which contains the most bacteria, bloats more than the head and limbs. The most buoyant body parts rise first, leaving the head and limbs to drag behind the chest and abdomen. Since arms, legs, and the head can only drape forward from the body, corpses tend to rotate such that the torso floats facedown, with arms and legs hanging beneath it.
Does he look like he's got tits as big as mine to you? Most drowned bodies initially float face downwards, owing to the weight of the arms. Excess fat in breasts and stomach, however - since fat floats - may produce a face-up effect.