Why did armando have the idea that every one in the bank was watching him? what was the truth?

Armando thought every one in the bank was watching him because he was nervous and he feared he was going to be robbed of his money. Fear was the idea that prompted him to behave this way.

Explanation: Since he had so much fear, he was not thinking logically. The bank teller was asking him questions that he believed to be unnecessary. The teller was also counting his money outloud to him and this caused him more fear.

A larger man was staring at him, and this caused him to start sweating and he became very nervous thinking the man was going to rob him of the 5,000 pesos.

the answer is b. the tomb is underground and dark, and its opening is covered by a heavy grate.