which sentence is correctly punctuated?

which sentence is correctly punctuated?

Α. I have taken notes on your book, however I still have questions.

B. I have taken notes on your book; however, I still have questions.

C. I have taken notes on your book however; I still have questions.

D. I have taken notes on your book however I still have questions.

Answer:- Correct option is B) I have taken notes on your book; however, I still have questions’◯‍

The word ‘however’ is a conjunction adverb that is required to join two independent clauses into a compound sentence. As a law, semicolon continuously precedes the conjunctive adverb consequently do not complicate it with one more comma before a conjunctive adverb.‍
Option B is correct.