View the following class definition then answer the question that follows.

class Date $()$:

def$\_$init$\_($self$,$ month, day, year, descr$)$:

self.month $=$ month

self. day $=$ day

self.year $=$ year

self.descr $=$ descr

def$\_$str$\_\_($self$)$:

return str$($self$.$month$)+\text{'}/\text{'}+$ str$($self$.$day$)+\text{'}/\text{'}+$ str$($self$.$year$)+\text{'}-\text{'}+$ self.descr

d$1=$ Date$(\text{'}01\text{'},\text{'}20\text{'},\text{'}2022\text{'},$ 'Start of semester'$)$

Which of the following will reset the year of the above object to $2023?$

$d1=$ Date$(\text{'}2023\text{'})$

$d1=d1+1$

$x=d1.$year

$d1.$year $=str({\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}(x)+1)$

$d1.$year $+=1$

None of the listed answers is correct