2. In an acute $\triangle A B C$, let
$$
y=\frac{\tan A+\tan B+\tan C}{\sin A+\sin B+\sin C} \text {. }
$$

Then ( ).
(A) $0<y<1$
(B) $y \geqslant 2$
(C) $y \geqslant 3$
(D) $1 \leqslant y \leqslant 2$
2. B.
$$
\begin{array}{l} 
\tan A + \tan B + \tan C \\
= \frac{\sin (B+C)}{\cos A} + \frac{\sin (C+A)}{\cos B} + \frac{\sin (A+B)}{\cos C} \\
= \left(\frac{\cos C}{\cos B} + \frac{\cos B}{\cos C}\right) \sin A + \\
\left(\frac{\cos A}{\cos C} + \frac{\cos C}{\cos A}\right) \sin B + \\
\left(\frac{\cos B}{\cos A} + \frac{\cos A}{\cos B}\right) \sin C . \\
\geqslant 2(\sin A + \sin B + \sin C)
\end{array}
$$