The following sentence has a mistake. It is very importtant to proofread all documents carefully.
To fix this mistake, you should
put the cursor after the word "mistake" and add a comma
place the cursor after the first "t" in "important" and press Delete
O place the cursor before the word "important," press Delete, and type a capital "T"
o place the cursor after the word "carfully," press Backspace five times, and type an "e"

The correct answer is  B. Place the cursor after the first "t" in "important" and press Delete

Explanation:

The sentence "It is very importtant to proofread all documents carefully" has a spelling mistake; this means one of the words in the sentence is not written correctly. This word is "importtant" because according to language conventions this word is written as "important"; therefore the first "t" should be deleted. Besides this, other words are written correctly and the general sentence is grammatically correct. Thus, to correct the sentence "place the cursor after the first "t" in "important" and press Delete.

oh my god you are going so many marks marks i don't want to give you answers sorry

answer; tech (a) is correct;