According to State Bank of Pakistan (SBP), Pakistan’s total external debt and liabilities as of December 2017 stood at__________?

According to State Bank of Pakistan (SBP), Pakistan’s total external debt and liabilities as of December 2017 stood at__________?

A. $68.1 billion
B. $75.4 billion
C. $88.9 billion
D. $95.5 billion