Multi-choice problem: Continue writing the next sentence in this paragraph:

How to grow marigolds
Determine what growing zone you live in.
The usda has defined 13 growing zones for the united states, ranging from the extremely cold zone 1 (in far-north alaska) to the extremely warm zone 13 (in parts of hawaii and puerto rico). Most of the country ranges from zone 3 to zone 10.

Choose from: (A). For example, the middle part of the aba has zones 11 through 21. Research locations in the usda forest in which to grow marigolds.. (B). One survey of the usda's growing values has been conducted to determine which regions are more suitable for vegetables with roots like marigolds. Follow this guide to calculate the growing zones for your region.. (C). Choose a region with winter temperatures under freezing or above freezing. Only a few hardiness zones have below freezing temperatures above freezing, while dozens of others have high winter temperatures over the course of the year.. (D). Marigolds are annual plants in most zones, meaning they will die in the winter and will not return the next growing season. Marigolds are hardy, self-seeding flowers..
(D).