Question 19 of75 A ) NO CHANGE B side into an identifier, B ) side, into an identifier D ) side into an identifier

## Step 1<br />The problem is a punctuation and grammar question. The sentence is about the use of commas in English grammar. The sentence is "A side into an identifier,". The task is to choose the correct punctuation and grammar for this sentence.<br /><br />## Step 2<br />Option A suggests no change, which means the sentence remains as "A side into an identifier,". This sentence is grammatically incorrect because it lacks a comma after 'ide'.<br /><br />## Step 3<br />Option B suggests adding a comma after 'ide', which would make the sentence "A side, into an identifier,". This sentence is grammatically correct because it follows the rule of using commas to separate items in a list.<br /><br />## Step 4<br />Option C suggests adding a comma after 'ide', which would make the sentence "A side, into an identifier". This sentence is grammatically incorrect because it lacks a comma after 'identifier'.<br /><br />## Step 5<br />Option D suggests adding a comma after 'ide', which would make the sentence "A side into an identifier". This sentence is grammatically incorrect because it lacks a comma after 'ide'.