The correct answer is: B. Arjun Munda
Arjun Munda was the first Chief Minister of Jharkhand. He was elected on 15 November 2000, when the state was formed. He was a member of the Bharatiya Janata Party (BJP). He was re-elected in 2005 and 2009. He resigned as Chief Minister in 2010 after losing the trust vote in the Assembly.
Shibu Soren was the second Chief Minister of Jharkhand. He was elected on 18 December 2005, after Arjun Munda resigned. He was a member of the Jharkhand Mukti Morcha (JMM). He was re-elected in 2009. He resigned as Chief Minister in 2013 after losing the trust vote in the Assembly.
Babulal Marandi was the third Chief Minister of Jharkhand. He was elected on 28 December 2009, after Shibu Soren resigned. He was a member of the Jharkhand Vikas Morcha (JVM). He resigned as Chief Minister in 2010 after losing the trust vote in the Assembly.
Madhu Koda was the fourth Chief Minister of Jharkhand. He was elected on 18 December 2010, after Babulal Marandi resigned. He was a member of the Jharkhand Mukti Morcha (JMM). He resigned as Chief Minister in 2013 after being arrested on charges of corruption.
The other options are incorrect because they were not the first Chief Minister of Jharkhand.