To solve this question, the user needs to determine the pattern used to generate the given sequence.
The given sequence is B2CD, ____, BCD4, B5CD, BC6D.
We can observe that the pattern is to insert a number between the letters C and D, which starts from 2 and increments by 1 for each subsequent term.
Using this pattern, we can determine the missing term as BC3D.
Now, let's go through each option and explain why it is right or wrong:
A. B2C2D: This option is incorrect because it inserts a number between B and C, whereas the pattern inserts a number between C and D.
B. BC3D: This option is correct as it follows the pattern discussed above by inserting 3 between C and D.
C. B2C3D: This option is incorrect as it inserts a number between B and C, whereas the pattern inserts a number between C and D.
D. BCD7: This option is incorrect because it inserts a number after D, whereas the pattern inserts a number between C and D.
Thus, the correct answer is:
The Answer is: B. BC3D