Select the most appropriate indirect form of the given sentence.When Rohit saw Saurabh, he said, “Oh, how tall you have grown!”

• A. When Rohit saw Saurabh, he commented that he (Saurabh) has grown very tall.
• B. When Rohit saw Saurabh, he exclaimed that he (Saurabh) had grown very tall.
• C. When Rohit saw Saurabh, he observed that you have grown very tall.
• D. When Rohit saw Saurabh, he exclaimed how tall he (Saurabh) was grown.