Answer:
Time Enough is a question mark.
Step-by-step explanation:
In the BCG growth matrix, question marks are those firms that have a low market share, but that are growing, however, it is still uncertain where said firms will stand in the future.
Time Enough is a question mark because while the firm's earnings have been usteady, there is still evidence that the firm is growing, so the firm could become a star or a cash cow in the future.