I do not know where could he have gone (1)/ so early (2)/ in the morning. (3)/No error. (4)

Options

A. 1. I do not know where could he have gone
B. 2. so early
C. 3. in the morning.
D. 4. No error

Answer

1

Explanation

where he could have gone will replace where could he have gone The basic structure in Indirect Speech is
`{:("Subject + Verb"),(" "darr " "darr),(" he " " could"):}`
Hence, I do not know where he could have gone is the right usage.