Let me try to explain this :- Even though Clovis points, spear points with longitudinal grooves chipped onto their faces, have been round all over north America ,they are named for the new Mexico site where whey were first discovered in 1932 1) Even though Clovis points , spear points with longitudi...

obviously A is winner Let me trow some light on B and C if you closely look at b it is almost same as A except the part "because of their unlawful seizure of" their is ambiguous here . See non underlined part their unlawful seizure of . whose land and who sized ambiguous is not it ? If a p...

B is correct here maintains parallelism

a phenomenon that is explained not just by the fact that drugs are becoming more expensive but also by the fact that doctors are writing

wrong use of which in d and e . A is out passive sentence and between b and C ; b won the race

The answer to this question must be A :- This sentence has correct subject verb agreement. It also presents the "that..." clause in active voice. B. The plural subject "a surge and a drop" does not agree with the singular verb suggests. C. The use of the plural verb "have be...

I think correct way to crack this question is

1.) Question is talking about type so 'of' :-When we mean to specify one thing out of n similar thing we use 'of" construction

e.g of all available forums Btg is the best

2.) believed to be is idiom

Hope it helps

if i am not wrong there are to idiom in general with credit

credit to and credit with

so why not C?

Some time questions are difficult but answer are simple Arachnids can not not have more than one body so their body so a and b out are among c,d, e body, the scorpion has a cluster of nerve cells in its head, as a mammal does: Correct . This choice presents the logical contrast between “arachnidsâ...