The correct options are
A <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->
Assam
B <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->
Jharkhand
Nepal shares the border with West Bengal, Bihar, Uttar Pradesh, Uttarakhand and Sikkim. Assam shares its international boundary with Bhutan and Bangladesh. Jharkhand does not share its boundary with any other country.