Answer is C. Recording historical importance of US Presidency is talking about the past rather than noting the importance of Presidency in the contemporary scenario. Refer the 2nd and 3rd sentences of the 1st para - "the latter activities have a history of their own" "new pasts might ...

E is incorrect due to the following: 1. Use of mood enhancing drugs does not necessarily mean the students participating in arts competitions are depressed. 2. We are not talking about numbers in the main argument. Arguing on the basis of volume might lead one to sample biases. 3. C establishes a be...

Now, i am confused too! In both C and D, we are making assumptions - C, revenue from production rights does not necessarily mean that the book will be successful too. There is a missing link here. D, The actress' love for the novel does not necessarily mean the masses will fall for the book. Expert'...

The fact that 60% of the employees are women addresses the fact that the company does not discriminate against women. So the spokesperson is right. What remains to be evaluated is the promotional aspect which can be done by checking the % of women in higher management positions. Hence, B. I agree wi...

By using the comma, 'ultrathin' becomes a qualifier for the 'layered construction'
By using 'and', 'ultrathin' qualifies the wings rather than the 'construction'
So, depending on what you want to talk about, you can use either of the two forms of construction.

a. requires 'and' at the end
b. i dont think past perfect can be used in isolation (without a simple past following it)
c. Correct. 'commenced in A was not discontinued until B'
d. 'it' is redundant
e. 'which had' makes the sentence incomplete considering the non-underlined portion

“The woods are lovely, dark and deep. But I have promises to keep, and miles to go before I sleep.� Breaking the barriers of gender and an orthodox culture, I managed to travel quite a distance from my first job, at an early age of 17, as an insignificant government official, through the painful...