If, for some reason, the due date for the common parent's tax return passes and the election was overlooked, which of the following is true?

A. It is still possible to make an election up until the latest extended due date of the subsidiaries

B. It may still be possible to obtain an extension to file the election under the regulations

C.The group cannot elect to file a consolidated return until the following year.

D. The group is precluded from filing a consolidated tax return for 60 months.