The following explanation from the dictionary is enough to make the choice clear. You use so and so that to introduce the result of the situation you have just mentioned. I am not an emotional type and so cannot bring myself to tell him I love him... People are living longer than ever before, so even people who are 65 or 70 have a surprising amount of time left... There was snow everywhere, so that the shape of things was difficult to identify. The particular design of muscles and bones in the neck and limbs of the turtle allows it to draw in its exposed parts and so can hide itself form the bite of the attacker. Or The particular design of muscles and bones in the neck and limbs of the turtle allows it to draw in its exposed parts, so that attacker can find nothing but hard shell to bite. |