Add or Subtract the Radical Expressions as Indicated, If Possible $7 \sqrt { 2 } + \sqrt { 98 }$

Multiple Choice

Add or subtract the radical expressions as indicated, if possible.
$7 \sqrt { 2 } + \sqrt { 98 }$

A) 28
B) 70
C) $14 \sqrt { 2 }$
D) Cannot be simplified further