30 – According to the text, in... “I’ve got a serious situation here. My pilot has gone incoherent and I have no idea how to fly the airplane”, the...

30 – According to the text, in... “I’ve got a serious situation here. My pilot has gone incoherent and I have no idea how to fly the airplane”, the correct verb tense in bold is:

past perfect progressive
present continuous
present perfect
past perfect
a) past perfect progressive
b) present continuous
c) present perfect
d) past perfect