This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to wash linen curtains
Machine-wash your curtains if they are made from a more durable, thicker linen.
It's the most effective way to thoroughly clean the dust and dander from your curtains. Be sure to check the backing of the curtains to make sure they can be laundered this way.

Choose from: *Take the curtains down from the windows and prepare them for washing. If there is a stain on the curtains, spot treat them with laundry detergent or a mild soap.; *If the backing is set behind curtains, wash it with antibacterial soap and water. Some fabrics can be laundered by hand.; *Decide which fabric type you want to wash your curtains in : Medium cotton curtains will typically be single or double-hung. Heavier linen drapes may only be single hung.; *Choose a machine with a full-speed (low speed) setting to wash all of your drapes. If you need a smaller machine, raise the machine to low-speed to clean curtains as well.;
The answer is:
Take the curtains down from the windows and prepare them for washing. If there is a stain on the curtains, spot treat them with laundry detergent or a mild soap.