Let $$I = \int_0^1 \frac{\sin x}{\sqrt{x}} dx$$ and $$J = \int_0^1 \frac{\cos x}{\sqrt{x}} dx$$. Then which one of the following is true?

A

$$I > \frac{2}{3}$$ and $$J > 2$$

B

$$I < \frac{2}{3}$$ and $$J < 2$$

C

$$I < \frac{2}{3}$$ and $$J > 2$$

D

$$I > \frac{2}{3}$$ and $$J < 2$$