Efficient Code

Given below are the time expressions of four algorithms.

Algorithm Time Expression

A

$2$

n

$3$

$+$

n

l

o

g

n

B

n

$2$

$+$

l

o

g

n

C

n

l

o

g

n

$+$

$5$

n

$+$

$1$

D

$2$

$$

$3$

n

Which of these is the most efficient algorithm?