GMAT Sentence Correction (SC) | Re: Blamed for ocean pollution and harming small animals, plastic bags req

Blamed for ocean pollution and harming small animals, plastic bags require less energy to have to manufacture, ship, and recycle than paper bags but take far longer to decompose naturally.

A. Blamed for ocean pollution and harming small animals, plastic bags require less energy to have to manufacture, ship, and recycle than paper bags but take far
B. Paper bags require more energy to manufacture, ship, and recycle than plastic bags, which are blamed for ocean pollution and harming small animals,