Which of the following lines contain alliteration?
Meanwhile, his friend, through alley and street 1
Wanders and watches with eager ears,
2
Till in the silence around him he hears
3
The muster of men at the barrack door,
4
The sound of arms, and the tramp of feet,
5
And the measured tread of the grenadiers
6
Marching down to their boats on the shore.
7
O Lines 1 and 2
O Lines 2, 3, 4
O Lines 6 and 7
O Line 4 only