The diagram indicating the direct stress of the beam is?

• A. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/01/prestressed-concrete-structures-questions-answers-basic-assumptions-q8a1.png"><img alt="The diagram indicating the direct stress of the beam - option a" class="alignnone size-full wp-image-261791" height="77" src="https://www.sanfoundry.com/wp-content/uploads/2018/01/prestressed-concrete-structures-questions-answers-basic-assumptions-q8a1.png" width="49"/></a>
• B. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/01/prestressed-concrete-structures-questions-answers-basic-assumptions-q8b.png"><img alt="The diagram indicating the direct stress of the beam - option b" class="alignnone size-full wp-image-261792" height="64" src="https://www.sanfoundry.com/wp-content/uploads/2018/01/prestressed-concrete-structures-questions-answers-basic-assumptions-q8b.png" width="59"/></a>
• C. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/01/prestressed-concrete-structures-questions-answers-basic-assumptions-q8c.png"><img alt="The diagram indicating the direct stress of the beam - option c" class="alignnone size-full wp-image-261793" height="56" src="https://www.sanfoundry.com/wp-content/uploads/2018/01/prestressed-concrete-structures-questions-answers-basic-assumptions-q8c.png" width="66"/></a>
• D. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/01/prestressed-concrete-structures-questions-answers-basic-assumptions-q8d.png"><img alt="The diagram indicating the direct stress of the beam - option d" class="alignnone size-full wp-image-261794" height="91" src="https://www.sanfoundry.com/wp-content/uploads/2018/01/prestressed-concrete-structures-questions-answers-basic-assumptions-q8d.png" width="52"/></a>