3. As shown in the figure, given a cube $A B C D-A_{1} B_{1} C_{1} D_{1}$, a line $l$ is drawn through vertex $A_{1}$ in space, such that $l$ forms an angle of $60^{\circ}$ with both lines $A C$ and $B C_{1}$. How many such lines $l$ can be drawn?
A. 4 lines
B. 3 lines
C. 2 lines
D. 1 line
3. $\mathrm{B}$