Question no 12 english grammar

Read this excerpt from anne frank remembered. a few minutes later, the dutchman who had first entered our office, the man with the gun, came back into my room. ignoring me, he sat down at elli's desk across from me and dialed the telephone. i heard him asking that a car be sent. why is this excerpt suspenseful? miep recognizes the dutchman from her past. elli had an emotional outburst before she left. the reason for the car is not explicitly stated. the man with the gun refuses to speak.