GMAT Question of the Day - Daily to your Mailbox; hard ones only

 It is currently 24 Jun 2018, 03:52

### GMAT Club Daily Prep

#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

# Events & Promotions

###### Events & Promotions in June
Open Detailed Calendar

# At the end of the week long conference, students from all local school

Author Message
Intern
Joined: 22 Jan 2014
Posts: 8
GMAT 1: 610 Q47 V27
At the end of the week long conference, students from all local school [#permalink]

### Show Tags

18 Sep 2017, 06:08
At the end of the week long conference, students from all local schools performed a cultural program.

Select the correct choice if the performance took place before the conference ended

A. At the end of the week long conference, students from all local schools performed.

B. At the end of the week long conference, students from all local schools had performed.

C.By the time conference ended, students from all local schools had performed.

Correct Answer is C but I dont get why B is wrong?

Guys thanks in advance. This is my first ever post here
Attachments

Screen Shot 2017-09-18 at 8.48.57 PM.png [ 140.85 KiB | Viewed 521 times ]

Senior CR Moderator
Status: Long way to go!
Joined: 10 Oct 2016
Posts: 1393
Location: Viet Nam
Re: At the end of the week long conference, students from all local school [#permalink]

### Show Tags

18 Sep 2017, 08:02
1
KomalSg wrote:
At the end of the week long conference, students from all local schools performed a cultural program.

Select the correct choice if the performance took place before the conference ended

A. At the end of the week long conference, students from all local schools performed.

B. At the end of the week long conference, students from all local schools had performed.

C.By the time conference ended, students from all local schools had performed.

Correct Answer is C but I dont get why B is wrong?

Guys thanks in advance. This is my first ever post here

The question asks you to "select the correct choice if the performance took place before the conference ended". Hence, we need to choose perfect tense, leave B & C. Using perfect tense, we need to use "by". C is better.
_________________
Re: At the end of the week long conference, students from all local school   [#permalink] 18 Sep 2017, 08:02
Display posts from previous: Sort by