Which program was launched by IndusInd Bank to support

An unsecured loan (1)/ is a loan (2)/ which one could obtain (3)/ without providing any collateral (4)/ No error (5)

He was stunned for seeing me waiting for him and told me that I looked very angry.

Identify the segment in the sentence that contains a grammatical error-

The cruel father made his step – son to do all work .

Ocean acidification, caused by the absorption of excess carbon dioxide by the oceans, possess a significant threat to marine ecosystems.

Born in December 17, 1924 he studied at Chennai’s R.S. High School, after which he joined Presidency College.

Life is much vaster (A)/and deeper, it cannot be (B)/lived with the aide (C)/of an extinguishable lamp (D).

Find the error and mark the correct option. If there is no error, choose option E.  

Parts of the following sentence are given as options. Identify the segment that contains a grammatical error.

I’ve got a busy day tomorrow, so I think I’ll hit the sack.