You develop an application by using C#. The application counts the number of times a specific word appears within a set of text files. The application includes the following code. (Line numbers are included for reference only.)
You have the following requirements:
• Populate the _wordCounts object with a list of words and the number of occurrences of each word.
• Ensure that updates to the ConcurrentDictionary object can happen in parallel.
You need to complete the relevant code.
Which code segment should you insert at line 23?
A. Option A
B. Option B
C. Option C
D. Option D
I think the answer is correct.