PLSS HELP ME I WILL GIVE BRAINLIEST :'(

2.- Identify the problem with this sentence: 'If I were rich, I will buy a giant mansion.'
A) It shifts from the imperative mood by using the verb 'were' to the indicative mood by using 'will buy'.
B) It shifts from the subjunctive mood by using the verb 'were' to the imperative mood by using 'will buy'.
C) It shifts from the indicative mood by using the verb 'were' to the subjunctive mood by using 'will buy'.
D) It shifts from the subjunctive mood by using the verb 'were' to the indicative mood by using 'will buy'.
E) There is nothing wrong with this sentence. It is correct as is.