Sentences of a paragraph are given below. While the first and the last sentences (S1 and S6) are in the correct order, the sentences in between are jumbled up. Arrange the sentences in the correct order to form a meaningful and coherent paragraph.

S1. He sat in his seat
A. hardly showing any signs of hearing
B. beside the bed,
C. gazing sternly
D. at the patient’s face
S6. what they were saying to him