Given the following expression grammar:

E$->$ E x F I F $+$ E I F

F $->$ F $-$ F I id

Which of the following is true? $[$with explanation $$ draw tree$]$

$($A$)$x$$ has higher precedence than $+$

$($B$)-$ has higher precedence than $$x$$

$($C$)+$ and $-$ have same precedence

$($D$)+$ has higher precedence than $$x$$