Which of the following key is used to make subscript ?

The correct answer is (d).

To make subscript in Microsoft Word, you can use the following keyboard shortcuts:

• Ctrl+Shift++: subscript
• Ctrl+Shift+-: superscript

You can also use the following menu options:

• Home > Font > Subscript
• Home > Font > Superscript

To apply subscript or superscript to a selected text, follow these steps:

1. Select the text that you want to apply subscript or superscript to.
2. On the Home tab, in the Font group, click the arrow next to Subscript or Superscript.
3. Select the subscript or superscript option that you want to use.

To remove subscript or superscript from a selected text, follow these steps:

1. Select the text that you want to remove subscript or superscript from.
2. On the Home tab, in the Font group, click the arrow next to Subscript or Superscript.
3. Select the Remove subscript or Remove superscript option.

Here are some additional details about each of the options in the question:

• Ctrl+=: This keyboard shortcut is used to insert a mathematical equals sign. It is not used to make subscript.
• Ctrl+D: This keyboard shortcut is used to create a new document. It is not used to make subscript.
• Ctrl+E: This keyboard shortcut is used to open the Find and Replace dialog box. It is not used to make subscript.

I hope this helps!