Choose the second sentence so that it has a similar meaning to the first one

A. They are said to buy this shop last year.

B. They are said to have bought this shop last year.

C. It is said that they bought this shop last year.  

D. Both B and C

A. He asked me how much I thought it would cost.

B. He asked me how much I had thought it would cost.

C. He asked me how much I thought it will cost.

D. He asked me how much you thought it would cost.

A. Mr. Brown whose team has lost the game looks very sad.

B. Mr. Brown which team has lost the game looks very sad.

C. Mr. Brown who team has lost the game looks very sad.

D. Mr. Brown whose team has lost the game he looks very sad.

A. You know the man who sat next to me at Nam’s birthday party last night, don’t you?

B. You know the man who sat next to me at Nam’s birthday party last night, do you?

C. You know the man who sat next to me at Nam’s birthday party last night, didn’t you?

D. You know the man who sat next to me at Nam’s birthday party last night, aren't you?

A. Minh spends 2 hours doing his homework every day.

B. Minh spends 2 hours do his homework every day.

C. Minh spends 2 hours do his homework every day.

D. Minh spends 2 hours having done his homework every day.