Identify the correct sentence from the following.
(a) Walk carefully lest you should not stumble and hurt yourself.
(b) He renounced both his family as well as his friends.
(c) Although he is regular, he is slow in his work.
(d) Not only he is confident but also enterprising.
1
(a) and (b)
2
(c) and (d)
3
only (c)
4
(a) and (d)