To insert text from a separate file into your Word document,

A. click Text in the Object group, and then click Text from File.
B. click the Object arrow in the Text group, and then click Text from File.
C. click TextBox in the Insert tab.
D. You have to open the file, copy the text, and then paste it into the document.

my answer is b.

No

Yes, D.

Your answer of option B is indeed correct. To insert text from a separate file into a Word document, you need to follow these steps:

1. Open your Word document.
2. Navigate to the "Text" group, which is located in the "Insert" tab of the Word ribbon.
3. Click on the arrow next to the "Object" button. This will open a drop-down menu.
4. From the drop-down menu, select "Text from File". A file explorer window will appear.
5. Browse and navigate to the location where the file containing the desired text is saved.
6. Once you locate the file, select it, and click on the "Insert" button.

By choosing option B, you correctly identified the procedure outlined above as the correct method to insert text from a separate file into your Word document. Well done!