If a + b + c + d = 1, then the maximum value of (1 + a) (1 + b) (1 + c) (1 + d) is

If a + b + c + d = 1, then the maximum value of (1 + a) (1 + b) (1 + c

1.	If a + b + c + d = 1, then the maximum value of (1 + a) (1 + b) (1 + c) (1 + d) is
A.	1
B.	<table><tr><td rowspan="2"><img src="https://www.indiabix.com/_files/images/data-interpretation/common/15-sym-oparen-h1.gif"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"><img src="https://www.indiabix.com/_files/images/data-interpretation/common/15-sym-cparen-h1.gif"></td><td><sup>3</sup></td></tr><tr><td style="text-align: center;">2</td></tr></table>
C.	<table><tr><td rowspan="2"><img src="https://www.indiabix.com/_files/images/data-interpretation/common/15-sym-oparen-h1.gif"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td><td rowspan="2"><img src="https://www.indiabix.com/_files/images/data-interpretation/common/15-sym-cparen-h1.gif"></td><td><sup>3</sup></td></tr><tr><td style="text-align: center;">4</td></tr></table>
D.	<table><tr><td rowspan="2"><img src="https://www.indiabix.com/_files/images/data-interpretation/common/15-sym-oparen-h1.gif"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>5</center></td><td rowspan="2"><img src="https://www.indiabix.com/_files/images/data-interpretation/common/15-sym-cparen-h1.gif"></td><td><sup>4</sup></td></tr><tr><td style="text-align: center;">4</td></tr></table>
Answer» E.