In the following code, please note the missing sections labeled $?1,?2$ and $?3.$

x $=?1$;

array$1=$ randn$(10,1)$;

for i $=1$:$1$:$10$

if array$1($i$)?20$

x $=$ x $?3$ array$($i$)$;

end

end

In order for this code to take the sum of all positive numbers in array$1,$ which of the following should replace the missing sections?

Group of answer choices

$?1$ should be $0,?2$ should be $>,?3$ should be $+$

$?1$ should be $1,?2$ should be $<,?3$ should be $+$

$?1$ should be $1,?2$ should be $>,?3$ should be $*$

$?1$ should be $0,?2$ should b $<.?3$ should be $+$