Which sentence is written correctly? Kellen-who graduated with honors, will study microorganisms sensory neurons, and potential energy Kellen who graduated with honors-will study microorganisms sensory neurons, and potential energy. Kellen, who graduated with honors, will study microorganisms sensory neurons, and potential energy Kellen, who graduated with honors will study microorganisms -sensory neurons, and potential energy

## Step 1<br />The problem is about identifying the correct sentence structure in English. The sentence is about Kellen, who graduated with honors, and his future studies. The sentence is a complex sentence, which means it contains an independent clause and a dependent clause.<br /><br />## Step 2<br />The independent clause is "Kellen will study microorganisms, sensory neurons, and potential energy". This is the main part of the sentence that can stand alone as a complete sentence.<br /><br />## Step 3<br />The dependent clause is "who graduated with honors". This clause provides additional information about Kellen, but it cannot stand alone as a complete sentence.<br /><br />## Step 4<br />In English grammar, when a dependent clause is inserted in the middle of an independent clause, it should be set off by commas. This is because the dependent clause is not essential to the meaning of the sentence and can be removed without changing the overall meaning of the sentence.<br /><br />## Step 5<br />Looking at the options, only option C correctly uses commas to set off the dependent clause "who graduated with honors". The other options either lack the necessary commas or use them incorrectly.